© BIS 2003 © BIS 2003 B
B U U R R E E A A UU O O FF I I N N D D I I A A NN S S T T A A N N D D A A R R D D SS
MANAK
MANAK BHAVANBHAVAN
,,
99 BAHADURBAHADUR SHAHSHAH ZAFARZAFAR MARGMARG NENEWW DELHIDELHI 110002110002
(Reaf (Reaffirmfirmeded 2002000)0) Edition 5.1 Edition 5.1 (1995-09) (1995-09)
Indian Standard
Indian Standard
COLOURS FOR
COLOURS FOR
READY MIXED PAINTS AND ENAMELS
READY MIXED PAINTS AND ENAMELS
( Fourth Revision )
( Fourth Revision )
(Incorporating Amendment No. 1) (Incorporating Amendment No. 1)
UDC 667-633–12 UDC 667-633–12
Sectional Committee, CHD 020 Sectional Committee, CHD 020 F O R E W O R D
F O R E W O R D
This Indian Standard (Fourth Revision) was adopted by the Bureau of This Indian Standard (Fourth Revision) was adopted by the Bureau of Indian Standards, after the draft finalized by the Paints (Other than Indian Standards, after the draft finalized by the Paints (Other than Industrial Paints) and Allied Products Sectional Committee had been Industrial Paints) and Allied Products Sectional Committee had been approved by the Chemical Division Council.
approved by the Chemical Division Council.
This standard was first published in 1949 and since then it has been This standard was first published in 1949 and since then it has been revised three times in 1955, 1961 (and also reprinted in 1969), and 1978 revised three times in 1955, 1961 (and also reprinted in 1969), and 1978 (also printed in 1984). Through the use of the reprinted version of the (also printed in 1984). Through the use of the reprinted version of the standard for over five years colour fading was noticed in some shades. standard for over five years colour fading was noticed in some shades. The concerned Sectional Committee, therefore, decided to prescribe The concerned Sectional Committee, therefore, decided to prescribe ‘Munsell’ values in terms of hue, lightness value graduations (value) ‘Munsell’ values in terms of hue, lightness value graduations (value) and chroma according to the calibrated scales of the ‘Munsell’ colour and chroma according to the calibrated scales of the ‘Munsell’ colour Atlas as records of the original colour values of individual shades for Atlas as records of the original colour values of individual shades for reference. Accordingly, approximate ‘Munsell’ references and reference. Accordingly, approximate ‘Munsell’ references and Colourimetric values for all colours are given in Table 1. The Colourimetric values for all colours are given in Table 1. The Colourimetric values expressed in terms of Trichromatic System are Colourimetric values expressed in terms of Trichromatic System are also given in Table 1. An explanation of the ‘Munsell’ system of colour also given in Table 1. An explanation of the ‘Munsell’ system of colour references and glossary of colour terms is given in Annex A.
references and glossary of colour terms is given in Annex A.
In the third revision an additional colour shade ‘scamic’, Indian In the third revision an additional colour shade ‘scamic’, Indian Standard Colour (ISC) No. 294 in semi-gloss was included with the Standard Colour (ISC) No. 294 in semi-gloss was included with the specific approval of the Ministry of Defence, Government of India. The specific approval of the Ministry of Defence, Government of India. The title of the standard was modified to include the word ‘enamels’. The title of the standard was modified to include the word ‘enamels’. The name of the shade ISC No. 415 was changed from ‘Imperial Brown’ to name of the shade ISC No. 415 was changed from ‘Imperial Brown’ to ‘India Brown’ and ISC No. 633 from ‘RAF Blue-Grey’ to ‘AF Blue-Grey’. ‘India Brown’ and ISC No. 633 from ‘RAF Blue-Grey’ to ‘AF Blue-Grey’. In this revision, four new colours, namely, Phirozi (ISC No. 1
In this revision, four new colours, namely, Phirozi (ISC No. 176) and Satin76) and Satin Blue (ISC No. 177). Bus Green (ISC No. 299) and Steel Grey (ISC No. 6 Blue (ISC No. 177). Bus Green (ISC No. 299) and Steel Grey (ISC No. 6 98)98) have been added in Blue, Green a
have been added in Blue, Green and Grey colour groups respectively. Trind Grey colour groups respectively. Tri chromatic values determined on spectro photometer have also been chromatic values determined on spectro photometer have also been included in this revision for each colour shades. Consequently definition included in this revision for each colour shades. Consequently definition of relevant terms have also been added in Annex A.
of relevant terms have also been added in Annex A.
In the preparation of this revised standard substantial assistance has In the preparation of this revised standard substantial assistance has been made available in measurement and checking of colour values by been made available in measurement and checking of colour values by Indian Institute of Chemical Technology, Hyderabad and active Indian Institute of Chemical Technology, Hyderabad and active collaboration of the Panel of referees comprising experts from National collaboration of the Panel of referees comprising experts from National Test House, Calcutta; Indian Institute of Chemical Technology, Test House, Calcutta; Indian Institute of Chemical Technology, Hyderabad; Ministry of Defence (DGQA), Kanpur; Indian Paints Hyderabad; Ministry of Defence (DGQA), Kanpur; Indian Paints Association, Calcutta; Shalimar Paints, Calcutta; Berger Paints, Association, Calcutta; Shalimar Paints, Calcutta; Berger Paints,
Calcutta; and Jenson and Nicholson, Calcutta in matchings of colour Calcutta; and Jenson and Nicholson, Calcutta in matchings of colour shades, which are thankfully acknowledged. Assistance has also been shades, which are thankfully acknowledged. Assistance has also been derived from BS 381 C : 1988 ‘Colours for identification, coding and derived from BS 381 C : 1988 ‘Colours for identification, coding and special purposes’ and BS 1611 : 1953 ‘Glossary of colour terms used in special purposes’ and BS 1611 : 1953 ‘Glossary of colour terms used in science and industry’ issued by the British Standards Institution.
science and industry’ issued by the British Standards Institution. This editi
This edition 5.1 incorporon 5.1 incorporates Amendmates Amendment No. 1 (Septemberent No. 1 (September 1995). Side1995). Side bar indicates modification of the tex
bar indicates modification of the text as the result of incorporation of thet as the result of incorporation of the amendment.
Indian Standard
Indian Standard
COLOURS FOR
COLOURS FOR
READY MIXED PAINTS AND ENAMELS
READY MIXED PAINTS AND ENAMELS
( Fourth Revision )
( Fourth Revision )
1 SCOPE 1 SCOPE 1.1
1.1 This standard covers 104 colours for ready mixed paints andThis standard covers 104 colours for ready mixed paints and enamels grouped under Blue; Green; Yellow, Cream and Buff; Brown enamels grouped under Blue; Green; Yellow, Cream and Buff; Brown and Pink; Red and Orange; Grey; and
and Pink; Red and Orange; Grey; and Violet.Violet. 2 TERMINOLOGY
2 TERMINOLOGY 2.1
2.1 For the purpose of this standard, the definitions of colour termsFor the purpose of this standard, the definitions of colour terms given in Annex A of
given in Annex A of this standard shall apply.this standard shall apply. 3 NUMBERING SYSTEM
3 NUMBERING SYSTEM 3.1
3.1 Three digit numbers have been given to the colours, of which theThree digit numbers have been given to the colours, of which the first digit indicates the group of colours according to the seven broad first digit indicates the group of colours according to the seven broad colour divisions mentioned in
colour divisions mentioned in 1.11.1, each group having a range of , each group having a range of numbers allotted, namely :
numbers allotted, namely :
3.1.1
3.1.1 Whenever new colours are required to be added in the aboveWhenever new colours are required to be added in the above ranges, these will be assigned numbers which do not overlap the ranges, these will be assigned numbers which do not overlap the existing numbers. existing numbers. B Blluuee ... ... ... 110000--119999 G Grreeeenn ... ... ... 220000--229999 Y
Yeellllooww, , CCrreeaam m aannd d BBuuffff ... ... ... 330000--339999 B Brroowwn n aannd d PPiinnkk ... ... ... 440000--449999 R Reed d aannd d OOrraannggee ... ... ... 550000--559999 G Grreeyy ... ... ... 660000--669999 V Vooiilleett ... ... ... 770000--779999
4 ‘MUNSELL’ REFERENCES AND COLOURIMETRIC VALUES 4 ‘MUNSELL’ REFERENCES AND COLOURIMETRIC VALUES 4.1
4.1 Approximate ‘Munsell’ references for each colour are given in Approximate ‘Munsell’ references for each colour are given in Table
Table 1 quoted by 1 quoted by the respective the respective reference number. reference number. The IndianThe Indian Standard Colour (ISC) number shall always be used for identifying a Standard Colour (ISC) number shall always be used for identifying a colour, and ‘Munsell’ references are given for guidance and as an
colour, and ‘Munsell’ references are given for guidance and as an aid inaid in comparing individual properties in terms of hue, value and chroma. comparing individual properties in terms of hue, value and chroma. The colourimetric values (chromaticity co-ordinates and luminance The colourimetric values (chromaticity co-ordinates and luminance factor) expressed in terms of the trichromatic system for colourimetry, factor) expressed in terms of the trichromatic system for colourimetry, which constitute a permanent record of the standard colours obtained which constitute a permanent record of the standard colours obtained from spectrophotometric measurements are also given in Table 1 for from spectrophotometric measurements are also given in Table 1 for guidance. The ‘Munsell’ system of colours is briefly explained in guidance. The ‘Munsell’ system of colours is briefly explained in A
Annnnexex A.A.
A
A N
N N
N E
E X
X
A
A
(( ForewordForeword,, ClausesClauses 2.12.1 andand 44..11 ))
GLOSSARY OF COLOUR TERMS AND THE ‘MUNSELL’ GLOSSARY OF COLOUR TERMS AND THE ‘MUNSELL’
SYSTEM SYSTEM A-1 DEFINITIONS
A-1 DEFINITIONS A-1.1
A-1.1 AchroAchromatic matic SensaSensationstions—— VisuaVisual sensal sensations tions devodevoid of theid of the attribute of hue.
attribute of hue. A-1.2
A-1.2 AdditAdditive ive MixturMixturee—— The mixtThe mixture of lighure of light stimut stimuli in such ali in such a manner that they enter the eye simultaneously or in rapid succession manner that they enter the eye simultaneously or in rapid succession and arc incident on the same area of the retina, or enter in the form of and arc incident on the same area of the retina, or enter in the form of a mosaic which the eye cannot resolve.
a mosaic which the eye cannot resolve. A-1.3 Black
A-1.3 Black A-1.3.1
A-1.3.1 A visual sensation arising from some portion of a luminous A visual sensation arising from some portion of a luminous field of extremely low luminosity.
field of extremely low luminosity. A-1.3.2
A-1.3.2 As defined in As defined in A-1.3.1 A-1.3.1, but applied to a secondary source which, but applied to a secondary source which is completely absorbing at all
is completely absorbing at all visible wavelengths.visible wavelengths.
NOTE
NOTE —— The termThe terms ‘white’ as ‘white’ and ‘black’ are nd ‘black’ are not alwanot always used in tys used in the striche strict sense defit sense definedned above. It is usual to apply them to greys and neutrals, the luminance factor of which above. It is usual to apply them to greys and neutrals, the luminance factor of which is nearly unity or nearly zero respectively.
is nearly unity or nearly zero respectively.
A- A-1.41.4 BlaBlack Contck Contentent—— The subjThe subjectiectively estvely estimated aimated amount of mount of blackness seen in the visual
blackness seen in the visual sensation arising from a sensation arising from a surface colour.surface colour.
A- A-1.51.5 BriBrightnghtnessess —— That coThat colour qualour quality, a declity, a decrease in whirease in which isch is associated with the residual degradation which would result from the associated with the residual degradation which would result from the addition of a small quantity of neutral grey to the colouring material addition of a small quantity of neutral grey to the colouring material when the strength of the mixture has been readjusted to the original when the strength of the mixture has been readjusted to the original strength (comparison brighter).
A-1.6 Colour A-1.6 Colour A-1.6.1
A-1.6.1 That characteristic of visual sensation which enables theThat characteristic of visual sensation which enables the observer to distinguish differences in the quality of the sensation of the observer to distinguish differences in the quality of the sensation of the kind which can be caused by differences in the spectral composition of kind which can be caused by differences in the spectral composition of the light.
the light. A-1.6.2
A-1.6.2 That characteristic of the light stimulus, That characteristic of the light stimulus, light source or object,light source or object, which gives rise to the visual sensation in a red light, a white light, a which gives rise to the visual sensation in a red light, a white light, a red face, etc.
red face, etc. A-1.6.3
A-1.6.3 As defined in As defined in A-1.6.1 A-1.6.1 oror A-1.6.2 A-1.6.2, but restricted to the, but restricted to the appearance of redness, greenness, etc, as distinct from whiteness, appearance of redness, greenness, etc, as distinct from whiteness, greyness or blackness; that is, chromatic
greyness or blackness; that is, chromatic colour in contra-distinction tocolour in contra-distinction to achromatic colour.
achromatic colour.
A-1.7 Complementary Colours A-1.7 Complementary Colours A-1.7.1
A-1.7.1 AdditiveAdditive —— Any two coloAny two colours whicurs which, by additih, by additive mixtuve mixture, can bere, can be made to match a specified achromatic colour.
made to match a specified achromatic colour. A-1.7.2
A-1.7.2 SubtractiveSubtractive —— Any two absorAny two absorbing medibing media which, by subta which, by subtractiractiveve mixture, can be made to match specified achromatic colour.
mixture, can be made to match specified achromatic colour. A-1.8
A-1.8 Colour ContentColour Content —— The subjThe subjectivectively estely estimated amimated amount of ount of colourfulness seen in the visual sensation arising from a surface colourfulness seen in the visual sensation arising from a surface colour. Similar to chroma.
colour. Similar to chroma.
A- A-1.91.9 CleCleaneanerr —— A difference A difference apparently due apparently due to the pto the presence of resence of lessless black than in the original sample.
black than in the original sample.
A- A-1.11.100 CooCool Coloul Coloursrs—— Green or blGreen or blue, or coloue, or colours whicurs which exhibh exhibit ait a predominance of these.
predominance of these. A-1.1
A-1.111 ChromaChromatic Stic Sensatensationsions—— Visual seVisual sensatnsations posions possesssessing theing the attribute of hue.
attribute of hue.
A- A-1.11.122 DicDichrohroismism —— A phenomeA phenomenon in whinon in which a seconch a secondary sodary sourceurce shows a marked change in hue with change in the observing shows a marked change in hue with change in the observing conditions. Instances are : (a) change in colour temperature of the conditions. Instances are : (a) change in colour temperature of the illuminant, (b) change in concentration of an absorbing material, (c) illuminant, (b) change in concentration of an absorbing material, (c) change in thickness of an absorbing layer, (d) change in direction of change in thickness of an absorbing layer, (d) change in direction of illumination or viewing, and
illumination or viewing, and (e) change in condition of polarization.(e) change in condition of polarization.
A- A-1.11.133 DullDullnessness —— That colour That colour quality, an quality, an increase increase in which iin which iss associated with the residual degradation which would result from the associated with the residual degradation which would result from the addition of a small quantity of neutral grey to the colouring material addition of a small quantity of neutral grey to the colouring material when the strength of the mixture has been readjusted to the original when the strength of the mixture has been readjusted to the original strength (comparison duller).
strength (comparison duller).
A- A-1.11.144 DeeDeeperper —— A difference A difference apparently due apparently due to the pto the presence of lresence of lessess white than in the original sample.
A-1.1
A-1.155 DirtiDirtier/Duler/Dullerler —— A differeA difference appance apparentlrently due to the preseny due to the presencece of more black than in the original sample.
of more black than in the original sample.
A- A-1.11.166 Full CFull Coloolourur —— SurfacSurface coloure colours which are pros which are produced widuced with theth the maximum colourfulness obtainable.
maximum colourfulness obtainable. A-1.17 Grey
A-1.17 Grey A-1.17.1
A-1.17.1 Any achromatic sensation of luminosity intermediate Any achromatic sensation of luminosity intermediate between black and white.
between black and white. A-1.17.2
A-1.17.2 As defined in As defined in A-1.17.1 A-1.17.1, but applied to a secondary source, but applied to a secondary source which is partially absorbing at some or all visible wavelengths but which is partially absorbing at some or all visible wavelengths but from which the reflected or transmitted light has the same colour as from which the reflected or transmitted light has the same colour as that of the incident light.
that of the incident light. A
A-1-1.1.188 HueHue —— Attribute of visuAttribute of visual sensation al sensation which has givewhich has given rise ton rise to colour names, such as blue, green, yellow, red and purple.
colour names, such as blue, green, yellow, red and purple. A
A-1-1.1.199 LiLighghtt —— Radiant power Radiant power (energy fl(energy flux) capabux) capable of le of stimulatingstimulating the eye to produce visual sensation.
the eye to produce visual sensation.
A- A-1.21.200 MinuMinus Colos Coloursurs—— ColouColours in whirs in which only tch only the spehe spectralctral components associated with the colour named are not present to any components associated with the colour named are not present to any substantial extent, for example, minus red.
substantial extent, for example, minus red. A-1.2
A-1.211 ‘Munsel‘Munsell’ l’ ChromaChroma—— The estThe estimated pimated pure chroure chromatic colmatic colourour content of a surface colour on a scale of equal sensation intervals content of a surface colour on a scale of equal sensation intervals extending from grey (Chroma = 0), as specified objectively by the extending from grey (Chroma = 0), as specified objectively by the sample of the ‘Munsell’ Atlas (
sample of the ‘Munsell’ Atlas ( seesee NNoottee ))..
NOTE
NOTE —— The ‘MunseThe ‘Munsell’ Systll’ System presentem presents the closes the closest attempt st attempt at represeat representing thnting thee colour solid of surface colours by samples, spaced at equal sensation intervals and, colour solid of surface colours by samples, spaced at equal sensation intervals and, therefore, the closest correlation with the subjective variables, which are chroma. therefore, the closest correlation with the subjective variables, which are chroma. lightness (called value) and hue.
lightness (called value) and hue.
A-1.
A-1.2222 ‘Munse‘Munsell’ ll’ ValueValue—— The estThe estimateimated lightnd lightness of any surfess of any surfaceace colour on a scale of 10 equal sensation intervals extending from ideal colour on a scale of 10 equal sensation intervals extending from ideal black (value = 0) to ideal white (value = 10), as specified objectively for black (value = 0) to ideal white (value = 10), as specified objectively for values from 1 to 9 in the ‘Munsell’ Atlas (
values from 1 to 9 in the ‘Munsell’ Atlas ( seesee Note underNote under A-1.21 A-1.21 ).).
A- A-1.21.233 ‘Mun‘Munselsell’ Huel’ Hue —— The hue of a surThe hue of a surface cface colour on a scaolour on a scale of 100le of 100 equal sensation intervals round a colour circle of constant chroma, a equal sensation intervals round a colour circle of constant chroma, a specified objectively by the samples of the ‘Munsell’ Atlas (
specified objectively by the samples of the ‘Munsell’ Atlas ( seesee NoteNote under
under A-1.21 A-1.21 ).).
A- A-1.21.244 MasMasstostonene —— The colThe colour by refour by reflectelected light of a bud light of a bulk of lk of undiluted pigment.
undiluted pigment.
A- A-1.21.255 NeutNeutral Grral Greyey—— AppliApplied to a seconed to a secondary sodary source whiurce which isch is equally absorbing at all visible
A-1.2
A-1.266 PrimarPrimary Lighy Light Sot Sourceurce —— A body oA body or object er object emitting mitting lighlight byt by virtue of transformation of energy into radiant energy within itself. virtue of transformation of energy into radiant energy within itself. A
A-1-1.2.277 ShShadadee —— A colour of A colour of the same hthe same hue and saue and saturation but turation but lowerlower luminosity.
luminosity.
A-1.28 Shadow Series A-1.28 Shadow Series A-1.28.1
A-1.28.1 SubjectiveSubjective —— A series of colA series of colours of varours of varying luying luminosiminosity butty but constant hue and saturation.
constant hue and saturation. A-1.28.2
A-1.28.2 ObjectiveObjective —— A series of colA series of colours of varyours of varying lumiing luminance bnance butut constant chromaticity.
constant chromaticity. A-1
A-1.29.29 StrStrengengthth —— That colour That colour quality, an quality, an increase in increase in which iswhich is associated with an increase in the concentration of the colouring associated with an increase in the concentration of the colouring material present, all other conditions (viewing, etc) remaining the material present, all other conditions (viewing, etc) remaining the same (comparisons stronger, weaker).
same (comparisons stronger, weaker).
A- A-1.31.300 StrStrongongerer —— A difference A difference apparently due apparently due to the to the presence of presence of more colour than in the original sample.
more colour than in the original sample. A-1.3
A-1.311 SubtraSubtractivctive Mie Mixturexture —— The mixThe mixture of ature of absorbsorbing mebing media ordia or the superposition of filters so that the
the superposition of filters so that the composition of the light stimuluscomposition of the light stimulus passing through the combination is determined by the
passing through the combination is determined by the simultaneous orsimultaneous or successive absorption of parts of the spectrum by each medium successive absorption of parts of the spectrum by each medium present.
present. A-1.3
A-1.322 SecondSecondary Ligary Light Sourcht Sourcee —— A body or oA body or object tbject transmiransmitting otting orr reflecting light falling on it from any other source, whether primary reflecting light falling on it from any other source, whether primary oror secondary.
secondary. A
A-1-1.3.333 TiTintnt —— The weak colour The weak colour resulting from resulting from the addition the addition to white of to white of a small amount of colouring matter.
a small amount of colouring matter. A
A-1-1.3.344 TiTingngss —— A traA trace oce of addf added ced colourolour.. A
A-1-1.3.355 ToTonene —— A sligA slight vaht variant riant of a cof a colourolour..
A- A-1.31.366 UndUndertertoneone —— The colThe colour of a piour of a pigment whegment when it is used in vn it is used in veryery thin layers or greatly extended with white, the hue
thin layers or greatly extended with white, the hue of which may oftenof which may often differ from that of the masstone.
differ from that of the masstone. A
A-1-1.3.377 WaWarmrm CoCololourur —— Red, oraRed, orange or yenge or yellow, or collow, or colourlours whichs which exhibit a predominance of these.
exhibit a predominance of these.
A- A-1.31.388 WeaWeakerker —— A difference A difference apparently due apparently due to the preto the presence of lesence of lessss colour than in the original sample.
colour than in the original sample. A-1.39 White
A-1.39 White A-1.39.1
A-1.39.1 An achromatic sensation of relatively high An achromatic sensation of relatively high luminosity.luminosity. A-1.39.2
A- A-1.41.400 WhiWhite Contete Contentnt—— The subThe subjectijectively estvely estimated amoimated amount of unt of whiteness seen in the visual sensation arising from a surface colour. whiteness seen in the visual sensation arising from a surface colour.
A- A-1.41.411 WhitWhiterer —— A difference A difference apparently due apparently due to the to the presence of presence of moremore white than in the original sample.
white than in the original sample. A-2 THE ‘MUNSELL’ SYSTEM A-2 THE ‘MUNSELL’ SYSTEM A.2.1
A.2.1 In the ‘Munsell’ system, the colours are specified in terms of hue,In the ‘Munsell’ system, the colours are specified in terms of hue, value and chroma.
value and chroma. A-2.1.1
A-2.1.1 Hue Hue —— It distinguiIt distinguishes red shes red from blue, gfrom blue, green from reen from yellow, etc,yellow, etc, and is denoted by letter (for example, R for red, BG for blue-green) and is denoted by letter (for example, R for red, BG for blue-green) with prefix numbers, namely, 2.5, 7.5, or
with prefix numbers, namely, 2.5, 7.5, or 10. If, for example, the R 10. If, for example, the R (red)(red) number is greater than 5, the colour inclines, to the yellow-red (YR), number is greater than 5, the colour inclines, to the yellow-red (YR), and if the R number is less than 5, the colour inclines to red purple and if the R number is less than 5, the colour inclines to red purple (RP), and so on round the hue circle.
(RP), and so on round the hue circle. A.2.1.2
A.2.1.2 ValueValue —— It is relIt is related to lightnesated to lightness or darknes or darkness of a ss of a colour andcolour and is quoted as ranging from 0 to
is quoted as ranging from 0 to 10; the low figures represent the darker10; the low figures represent the darker colours and finally black (0), the high figures represent the light colours and finally black (0), the high figures represent the light colours and finally white (10). A rough estimate of the reflectance as a colours and finally white (10). A rough estimate of the reflectance as a percentage is given by the formula
percentage is given by the formula V V (( V V –1–1 ), ), whwhereree V V is the ‘value’.is the ‘value’. Thus, colours of similar values
Thus, colours of similar values have similar reflectance.have similar reflectance. A-2.1.3
A-2.1.3 ChromaChroma —— AttriAttribute of a visuabute of a visual sensatl sensation whicion which permith permits as a judgement to be made in the amount of pure chromatic colour present, judgement to be made in the amount of pure chromatic colour present,
irrespective of the amount of a chromatic colour. irrespective of the amount of a chromatic colour.
It is strength of colour and is based on a scale from neutral grey (—/0) It is strength of colour and is based on a scale from neutral grey (—/0) towards full strength at any given ‘value’ level. Steps are denoted towards full strength at any given ‘value’ level. Steps are denoted numerically at even intervals.
numerically at even intervals. A-2.1.4
A-2.1.4 Chromaticity CoordinatesChromaticity Coordinates —— Ratio Ratio of eaof each of ch of the tthe threehree tristimulus values to their sum. It indicates the colour quality of the tristimulus values to their sum. It indicates the colour quality of the sample and recommended symbols are x,y and z in the CIE 1931 sample and recommended symbols are x,y and z in the CIE 1931 standard colourmetric system and x10, y10 and z10 in the CIE 1964 standard colourmetric system and x10, y10 and z10 in the CIE 1964 supplementary colourmetric system.
supplementary colourmetric system. x x X X X X ++ YY ++ ZZ ---= = xx1010 X X1010 X X---1010 ++ Y Y1010 ++ ZZ1010 = = y y Y Y X X ++ YY ++ ZZ ---= = yy1010 Y Y1010 X X---1010 ++ Y Y1010 ++ ZZ1010 = = zz ZZ X X---++ YY ++ ZZ ---= = zz1010 ZZ1010 X X---1010 ++ Y Y1010 ++ ZZ1010 = =
X, Y and Z are the tristimulus values in the CIE 1931 Standard X, Y and Z are the tristimulus values in the CIE 1931 Standard Colourimetric System and X10, Y10 and Z10 in the CIE 1964 Colourimetric System and X10, Y10 and Z10 in the CIE 1964 Supplementary Colourimetric System.
Supplementary Colourimetric System. x
x + + yy ++ zz == 11 aannd d xx 1100 ++ yy 1100 ++zz1100 == 11 A-2.1.5
A-2.1.5 Tristimulus ValueTristimulus Value —— AmounAmounts of the tts of the three rehree referenference orce or matching stimuli required to give a match with the colour stimulus matching stimuli required to give a match with the colour stimulus considered, in a given trichromatic system.
considered, in a given trichromatic system.
The symbols recommended for the tristimulus values are X, Y and Z in The symbols recommended for the tristimulus values are X, Y and Z in the CIE 1931 standard colourimetric system and X
the CIE 1931 standard colourimetric system and X 1010, , YY1010 and Zand Z1010 inin
the CIE 1964 standard colourimetric system. the CIE 1964 standard colourimetric system. A-2.1.6
A-2.1.6 Luminance Luminance ValueValue—— The The emissioemission n by by mattematter r of of electromagnetic radiation which for certain wavelengths or restricted electromagnetic radiation which for certain wavelengths or restricted regions of the spectrum is in
regions of the spectrum is in excess of that due to the excess of that due to the thermal radiationthermal radiation from the material at the same
from the material at the same temperature is defined as Luminance.temperature is defined as Luminance. The ratio of the luminance of a body while illuminated and observed The ratio of the luminance of a body while illuminated and observed under certain conditions to that of perfect defuser under the same under certain conditions to that of perfect defuser under the same conditions.
conditions. A-2.1.7
A-2.1.7 Method Method of of Determination Determination of of ChromaticityChromaticity Coordinates
Coordinates —— The value The value of reflectance of reflectance is measured is measured for the for the samplesample over a circular area of 20 mm in dia over a wavelength range of 400 to over a circular area of 20 mm in dia over a wavelength range of 400 to 700 mm at 20
700 mm at 20 mm interval. The Macbeth “Uptimatch” colour matchingmm interval. The Macbeth “Uptimatch” colour matching system is used for
system is used for determining the reflectance values.determining the reflectance values. A-2.2
A-2.2 A complete ‘Munsell’ reference for a colour, for example, 7.5 R, A complete ‘Munsell’ reference for a colour, for example, 7.5 R, 9/2 means :
9/2 means : a)
a) the hue of 7the hue of 7.5 R denoting .5 R denoting a red incla red inclined towards yelined towards yellow-red,low-red, b)
b) the value 9 the value 9 denoting a denoting a very light cvery light colour, andolour, and c)
c) the chroma 2 the chroma 2 indicating that indicating that the strength the strength of the colouof the colour is low.r is low. A broad description of the colour would, therefore, be ‘pale-pink’. A broad description of the colour would, therefore, be ‘pale-pink’. A-2.3
A-2.3 It should be noted, however, that neutral greys, having no hue orIt should be noted, however, that neutral greys, having no hue or chroma, are denoted by the value figure prefixed by ‘N’, for example, chroma, are denoted by the value figure prefixed by ‘N’, for example, ‘N6’ or ‘N8’.
‘N6’ or ‘N8’. A-2.4
A-2.4 In the design of the colour range, ‘Munsell’ references provideIn the design of the colour range, ‘Munsell’ references provide the means of defining
Tab
Table 1le 1 ApApprproxoximimatate ‘Me ‘Munsunselell’ Rl’ Refefererenences ces andand Colourimetric Values
Colourimetric Values (( ForewordForeword andand ClauseClause 44..11 ))
Sl Sl No.
No. IndianIndianStan- Stan-dard dard Colour Colour (ISC) (ISC) No. No. Name of Name of Colour Colour Shade Shade Chromaticity Chromaticity Coordinates
Coordinates LuminanceLuminance Value Value Munsell ValueMunsell Value Approximate Approximate
X
X YY HHuuee VaValluuee//CChhrroommaa ((11)) ((22)) ((33)) ((44)) ((55)) ((66)) ((77)) ((88)) 1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 101 101 102 102 103 103 104 104 105 105 Sky Blue Sky Blue Turquoise Blue Turquoise Blue Peacock Blue Peacock Blue Azure Blue Azure Blue Oxford Blue Oxford Blue 0.2917 0.2917 0.2605 0.2605 0.2474 0.2474 0.2308 0.2308 0.2548 0.2548 0.3512 0.3512 0.3368 0.3368 0.3105 0.3105 0.2514 0.2514 0.2641 0.2641 34.47 34.47 23.23 23.23 12.47 12.47 9.36 9.36 6.18 6.18 2.5 BG 2.5 BG 7.5 BG 7.5 BG 5.0 B 5.0 B 5.0 PB 5.0 PB 7.5 PB 7.5 PB 6.5/3.0 6.5/3.0 4.5/10.0 4.5/10.0 3.5/5.0 3.5/5.0 2.75/8.0 2.75/8.0 2.0/5.0 2.0/5.0 6. 6. 7. 7. 8. 8. 9. 9. 10. 10. 106 106 108 108 166 166 169 169 174 174 Navy Blue Navy Blue Aircraft Blue Aircraft Blue French Blue French Blue Traffic Blue Traffic Blue Oriental Blue Oriental Blue 0.2949 0.2949 0.2242 0.2242 0.2189 0.2189 0.2365 0.2365 0.2447 0.2447 0.3068 0.3068 0.2335 0.2335 0.2371 0.2371 0.2845 0.2845 0.3243 0.3243 5.05 5.05 8.56 8.56 12.88 12.88 11.75 11.75 25.30 25.30 7.5 PB 7.5 PB 7.5 PB 7.5 PB 5.0 PB 5.0 PB 10.0 B 10.0 B 2.5 B 2.5 B 1.00/4.0 1.00/4.0 2.50/7.0 2.50/7.0 3.00/12.0 3.00/12.0 3.50/8.0 3.50/8.0 5.50/7.0 5.50/7.0 11. 11. 12. 12. 13. 13. 14. 14. 15. 15. 176 176 177 177 216 216 217 217 218 218 Phirozi Phirozi Satin Blue Satin Blue Eau-de-Nil Eau-de-Nil Sea Green Sea Green Grass Green Grass Green 0.1953 0.1953 0.2666 0.2666 0.3409 0.3409 0.3518 0.3518 0.3383 0.3383 0.2515 0.2515 0.3089 0.3089 0.3961 0.3961 0.4255 0.4255 0.4338 0.4338 20.96 20.96 56.87 56.87 43.07 43.07 31.53 31.53 17.83 17.83 10.0 B 10.0 B 7.5 B 7.5 B 7.5 GY 7.5 GY 7.5 GY 7.5 GY 7.5 GY 7.5 GY 6.00/13.0 6.00/13.0 9.00/6.0 9.00/6.0 7.50/3.5 7.50/3.5 6.50/7.0 6.50/7.0 4.50/8.0 4.50/8.0 16. 16. 17. 17. 18. 18. 19. 19. 219 219 220 220 221 221 222 222 Sage Green Sage Green Olive Green Olive Green Brilliant Green Brilliant Green Light Bronze Light Bronze Green Green 0.3525 0.3525 0.3360 0.3360 0.3191 0.3191 0.3651 0.3651 0.4008 0.4008 0.3848 0.3848 0.4326 0.4326 0.4059 0.4059 17.99 17.99 9.11 9.11 13.55 13.55 14.07 14.07 5.0 GY 5.0 GY 5.0 GY 5.0 GY 10.0 GY 10.0 GY 2.5 GY 2.5 GY 4.00/6.0 4.00/6.0 3.00/6.0 3.00/6.0 3.50/8.0 3.50/8.0 4.00/6.0 4.00/6.0 2
200.. 222233 MMiiddddlle e BBrroonnzzee G Grreeeenn 00..33332277 00..33770066 88..5577 22..5 5 GGYY 33..0000//44..00 2 211.. 222244 DDeeeep p BBrroonnzzee G Grreeeenn 00..33221122 00..33555533 77..0066 22..5 5 GGYY 22..0000//44..00 2
222.. 222255 LLiigghht t BBrruunnsswwiicckk G
Grreeeenn 00..33118899 00..44114499 1111..2255 1100..0 0 GGYY 44..0000//66..00 2
233.. 222266 MMiiddddlle e BBrruunnwwssiicckk G Grreeeenn 00..22998855 00..33772233 88..1144 55..0 0 GG 22..5500//44..00 2 244.. 222277 DDeeeep p BBrruunnsswwiicckk G Grreeeenn 00..22999900 00..33555588 66..8877 1100..0 0 GGYY 22..0000//44..00 25. 25. 26. 26. 27. 27. 28. 28. 29. 29. 267 267 275 275 276 276 277 277 278 278 Traffic Green Traffic Green Opaline Green Opaline Green Lincoln Green Lincoln Green Cypress Green Cypress Green Light Olive Green Light Olive Green
0.2961 0.2961 0.3134 0.3134 0.3145 0.3145 0.3277 0.3277 0.3537 0.3537 0.3802 0.3802 0.3875 0.3875 0.3855 0.3855 0.3989 0.3989 0.4041 0.4041 10.76 10.76 36.62 36.62 8.80 8.80 10.17 10.17 23.24 23.24 2.5 G 2.5 G 2.5 G 2.5 G 2.5 G 2.5 G 10.0 GY 10.0 GY 5.0 GY 5.0 GY 3.00/5.0 3.00/5.0 6.50/5.0 6.50/5.0 3.00/5.0 3.00/5.0 3.00/4.0 3.00/4.0 5.50/4.0 5.50/4.0 3
300 227799 SStteeeel l FFuurrnniittuurree G
Ta
Tablble e 11 —— (( ContinuedContinued ))
Sl Sl No. No. Indian Indian Stan-dard dard Colour Colour (ISC) (ISC) No. No. Name of Name of Colour Colour Shade Shade Chromaticity Chromaticity Coordinates Coordinates Luminance Luminance Value Value Approximate Approximate Munsell Value Munsell Value X
X YY HHuuee VaValluuee//CChhrroommaa ((11)) ((22)) ((33)) ((44)) ((55)) ((66)) ((77)) ((88)) 31. 31. 32. 32. 33. 33. 34. 34. 280 280 281 281 282 282 283 283 Verdigris Green Verdigris Green Apple Green Apple Green Forest Green Forest Green Aircraft Grey Aircraft Grey Green Green 0.2908 0.2908 0.3217 0.3217 0.3083 0.3083 0.3258 0.3258 0.3928 0.3928 0.3984 0.3984 0.3820 0.3820 0.3725 0.3725 25.43 25.43 30.46 30.46 11.71 11.71 21.31 21.31 5.0 G 5.0 G 10.0 GY 10.0 GY 10.0 GY 10.0 GY 10.0 GY 10.0 GY 5.50/6.0 5.50/6.0 5.75/6.0 5.75/6.0 2.50/4.0 2.50/4.0 5.00/3.0 5.00/3.0 35. 35. 36. 36. 37. 37. 38. 38. 39. 39. 40. 40. 284 284 294 294 298 298 299 299 309 309 352 352 India Green India Green Scamic Scamic Olive Drab Olive Drab Bus Green Bus Green Canary Yellow Canary Yellow Pale Cream Pale Cream 0.2918 0.2918 0.3279 0.3279 0.3364 0.3364 0.2626 0.2626 0.4506 0.4506 0.3865 0.3865 0.3944 0.3944 0.3555 0.3555 0.3639 0.3639 0.4017 0.4017 0.4643 0.4643 0.3964 0.3964 11.64 11.64 9.72 9.72 8.48 8.48 10.22 10.22 62.46 62.46 59.81 59.81 2.5 G 2.5 G 2.5 GY 2.5 GY 10.0 Y 10.0 Y 10.0 Y 10.0 Y 5.0 Y 5.0 Y 5.0 Y 5.0 Y 4.00/5.0 4.00/5.0 3.50/2.0 3.50/2.0 2.50/2.0 2.50/2.0 4.00/9.0 4.00/9.0 8.75/14.0 8.75/14.0 8.50/5.0 8.50/5.0 41. 41. 42. 42. 43. 43. 44. 44. 45. 45. 353 353 354 354 355 355 356 356 358 358 Deep Cream Deep Cream Primrose Primrose Lemon Lemon Golden Yellow Golden Yellow Light Buff Light Buff 0.4140 0.4140 0.4265 0.4265 0.4735 0.4735 0.4855 0.4855 0.4193 0.4193 0.4133 0.4133 0.4287 0.4287 0.4544 0.4544 0.4379 0.4379 0.2994 0.2994 63.53 63.53 51.33 51.33 51.07 51.07 47.46 47.46 45.36 45.36 2.5 Y 2.5 Y 5.0 Y 5.0 Y 2.5 Y 2.5 Y 10.0 YR 10.0 YR 10.0 YR 10.0 YR 9.00/10.0 9.00/10.0 8.25/9.0 8.25/9.0 8.50/13.0 8.50/13.0 8.00/14.0 8.00/14.0 9.00/8.00 9.00/8.00 46. 46. 47. 47. 48. 48. 49. 49. 50. 50. 359 359 360 360 361 361 362 362 363 363 Middle Buff Middle Buff Deep Buff Deep Buff Light Stone Light Stone Middle Stone Middle Stone Dark Stone Dark Stone 0.4306 0.4306 0.4253 0.4253 0.3861 0.3861 0.4192 0.4192 0.4170 0.4170 0.4062 0.4062 0.3918 0.3918 0.3827 0.3827 0.3922 0.3922 0.3886 0.3886 35.32 35.32 27.39 27.39 38.53 38.53 25.16 25.16 21.08 21.08 10.0 YR 10.0 YR 7.5 YR 7.5 YR 10.0 YR 10.0 YR 10.0 YR 10.0 YR 10.0 YR 10.0 YR 7.00/8.5 7.00/8.5 6.00/7.0 6.00/7.0 6.50/5.0 6.50/5.0 5.50/7.0 5.50/7.0 5.00/7.0 5.00/7.0 51. 51. 52. 52. 53. 53. 54. 54. 55. 55. 364 364 365 365 368 368 384 384 385 385 Portland Stone Portland Stone Vellum Vellum Traffic Yellow Traffic Yellow Light Straw Light Straw Light Biscuit Light Biscuit 0.3596 0.3596 0.3477 0.3477 0.4991 0.4991 0.3663 0.3663 0.3825 0.3825 0.3752 0.3752 0.3665 0.3665 0.4078 0.4078 0.3788 0.3788 0.3895 0.3895 53.76 53.76 60.46 60.46 34.12 34.12 54.91 54.91 63.56 63.56 5.0 Y 5.0 Y 7.5 Y 7.5 Y 5.0 YR 5.0 YR 5.0 Y 5.0 Y 2.5 Y 2.5 Y 8.50/3.0 8.50/3.0 8.75/3.0 8.75/3.0 6.50/12.0 6.50/12.0 8.50/5.0 8.50/5.0 8.75/5.0 8.75/5.0 56. 56. 57. 57. 58. 58. 59. 59. 60. 60. 386 386 387 387 388 388 397 397 410 410 Champagne Champagne Sunshine Sunshine Beige Beige Jasmine Yellow Jasmine Yellow Light Brown Light Brown 0.3828 0.3828 0.3709 0.3709 0.3719 0.3719 0.4116 0.4116 0.4263 0.4263 0.3849 0.3849 0.3807 0.3807 0.3764 0.3764 0.4307 0.4307 0.3896 0.3896 55.32 55.32 49.31 49.31 47.74 47.74 64.12 64.12 18.14 18.14 2.5 Y 2.5 Y 2.5 Y 2.5 Y 2.5 Y 2.5 Y 5.0 Y 5.0 Y 7.5 YR 7.5 YR 8.25/4.5 8.25/4.5 7.50/3.0 7.50/3.0 7.50/6.0 7.50/6.0 9.50/10.0 9.50/10.0 4.50/6.0 4.50/6.0 61. 61. 62. 62. 63. 63. 64. 64. 65. 65. 411 411 412 412 413 413 414 414 415 415 Middle Brown Middle Brown Dark Brown Dark Brown Nut Brown Nut Brown Golden Brown Golden Brown India Brown India Brown 0.3983 0.3983 0.3712 0.3712 0.3396 0.3396 0.4505 0.4505 0.3939 0.3939 0.3693 0.3693 0.3467 0.3467 0.3404 0.3404 0.3865 0.3865 0.3578 0.3578 11.17 11.17 7.86 7.86 6.93 6.93 16.63 16.63 9.94 9.94 7.5 YR 7.5 YR 5.0 YR 5.0 YR 5.0 YR 5.0 YR 5.0 YR 5.0 YR 5.0 YR 5.0 YR 3.00/4.0 3.00/4.0 2.00/4.0 2.00/4.0 2.50/2.0 2.50/2.0 5.00/7.0 5.00/7.0 2.50/6.0 2.50/6.0 66. 66. 67. 67. 68. 68. 439 439 442 442 443 443 Orange Brown Orange Brown Light Salmon Light Salmon Pink Pink Salmon Pink Salmon Pink 0.4199 0.4199 0.3902 0.3902 0.3960 0.3960 0.3563 0.3563 0.3777 0.3777 0.3596 0.3596 11.38 11.38 57.77 57.77 34.48 34.48 7.5 R 7.5 R 7.5 YR 7.5 YR 2.5 YR 2.5 YR 3.00/8.0 3.00/8.0 9.00/5.0 9.00/5.0 6.50/7.0 6.50/7.0
Ta
Tablble e 11 —— (( ConcludedConcluded ))
Sl Sl No. No. Indian Indian Stan-dard dard Colour Colour (ISC) (ISC) No. No. Name of Name of Colour Colour Shade Shade Chromaticity Chromaticity Coordinates Coordinates Luminance Luminance Value Value Approximate Approximate Munsell Value Munsell Value X
X YY HHuuee VaValluuee//CChhrroommaa ((11)) ((22)) ((33)) ((44)) ((55)) ((66)) ((77)) ((88)) 69. 69. 70 70 444 444 445 445 Terra Cotta Terra Cotta Venetian Red Venetian Red 0.4360 0.4360 0.4219 0.4219 0.3457 0.3457 0.3450 0.3450 14.24 14.24 10.77 10.77 7.5 R 7.5 R 7.5 R 7.5 R 4.00/8.0 4.00/8.0 3.00/6.0 3.00/6.0 71. 71. 72. 72. 73. 73. 446 446 448 448 449 449 Red Oxide Red Oxide
Deep Indian Red Deep Indian Red Light Purple Light Purple Brown Brown 0.4054 0.4054 0.3786 0.3786 0.3622 0.3622 0.3415 0.3415 0.3317 0.3317 0.3292 0.3292 9.74 9.74 7.61 7.61 6.88 6.88 7.5 R 7.5 R 7.5 R 7.5 R 7.5 R 7.5 R 3.00/4.5 3.00/4.5 2.50/4.0 2.50/4.0 2.75/3.0 2.75/3.0 74. 74. 75.
75. 451451473473 ChocolateChocolateGulf RedGulf Red 0.33150.33150.40200.4020 0.33520.33400.33520.3340 6.136.138.218.21 5.0 R5.0 R7.5 R7.5 R 1.00/2.01.00/2.02.50/6.02.50/6.0 76. 76. 77. 77. 78. 78. 79. 79. 80. 80. 489 489 490 490 499 499 536 536 537 537 Leaf Brown Leaf Brown Beech Brown Beech Brown Service Brown Service Brown Fire Red Fire Red Signal Red Signal Red 0.4089 0.4089 0.3719 0.3719 0.3520 0.3520 0.3585 0.3585 0.5252 0.5252 0.3625 0.3625 0.3483 0.3483 0.3513 0.3513 0.3464 0.3464 0.3351 0.3351 13.10 13.10 8.69 8.69 8.10 8.10 17.69 17.69 14.95 14.95 2.0 YR 2.0 YR 2.5 R 2.5 R 10.0 YR 10.0 YR 7.5 R 7.5 R 7.5 R 7.5 R 3.00/6.0 3.00/6.0 2.75/6.00 2.75/6.00 2.50/4.0 2.50/4.0 4.50/13.0 4.50/13.0 5.00/16.0 5.00/16.0 81. 81. 82. 82. 83. 83. 84. 84. 85. 85. 538 538 540 540 541 541 557 557 570 570
Post Office Red Post Office Red Crimson Crimson Maroon Maroon Light Orange Light Orange Traffic Red Traffic Red 0.4973 0.4973 0.4067 0.4067 0.3400 0.3400 0.5096 0.5096 0.4877 0.4877 0.3269 0.3269 0.3232 0.3232 0.3242 0.3242 0.3860 0.3860 0.3531 0.3531 10.88 10.88 7.32 7.32 5.85 5.85 27.19 27.19 15.13 15.13 5.0 R 5.0 R 5.0 R 5.0 R 7.5 R 7.5 R 2.5 YR 2.5 YR 10.0 R 10.0 R 4.00/14.0 4.00/14.0 3.00/7.0 3.00/7.0 1.50/3.0 1.50/3.0 5.00/13.0 5.00/13.0 3.50/10.0 3.50/10.0 86. 86. 87. 87. 88. 88. 89. 89. 90. 90. 574 574 591 591 592 592 628 628 629 629 Indian Saffron Indian Saffron Deep Orange Deep Orange International International Orange Orange Silver Grey Silver Grey Quaker Grey Quaker Grey 0.5029 0.5029 0.5092 0.5092 0.5308 0.5308 0.3389 0.3389 0.3429 0.3429 0.3539 0.3539 0.3640 0.3640 0.3538 0.3538 0.3664 0.3664 0.3644 0.3644 23.01 23.01 21.72 21.72 19.69 19.69 31.60 31.60 26.51 26.51 7.5 R 7.5 R 7.5 R 7.5 R 7.5 R 7.5 R 2.5 GY 2.5 GY 10.0 Y 10.0 Y 6.00/12.0 6.00/12.0 6.00/12.0 6.00/12.0 4.50/14.0 4.50/14.0 6.00/1.5 6.00/1.5 5.50/2.0 5.50/2.0 91. 91. 92. 92. 93. 93. 94. 94. 95. 95. 630 630 631 631 632 632 633 633 634 634 French Grey French Grey Light Grey Light Grey Dark Admiralty Dark Admiralty Grey Grey AF Blue-Grey AF Blue-Grey Slate Slate 0.3263 0.3263 0.3098 0.3098 0.2994 0.2994 0.2963 0.2963 0.3252 0.3252 0.3547 0.3547 0.3413 0.3413 0.3224 0.3224 0.3191 0.3191 0.3549 0.3549 32.69 32.69 31.28 31.28 15.75 15.75 8.06 8.06 15.23 15.23 5.0 GY 5.0 GY 5.0 G 5.0 G 10.0 B 10.0 B 10.0 B 10.0 B 5.0 GY 5.0 GY 6.50/1.5 6.50/1.5 5.50/1.5 5.50/1.5 4.00/1.5 4.00/1.5 2.50/2.5 2.50/2.5 4.00/1.5 4.00/1.5 96. 96. 97. 97. 98. 98. 99. 99. 100. 100. 635 635 671 671 692 692 693 693 694 694 Lead Lead Middle Graphite Middle Graphite Smoke Grey Smoke Grey Aircraft Grey Aircraft Grey Dove Grey Dove Grey 0.3104 0.3104 0.3036 0.3036 0.2756 0.2756 0.3089 0.3089 0.3128 0.3128 0.3405 0.3405 0.3246 0.3246 0.3085 0.3085 0.3343 0.3343 0.3379 0.3379 10.00 10.00 10.08 10.08 25.14 25.14 23.95 23.95 25.82 25.82 2.5 G 2.5 G 10.0 B 10.0 B 10.0 B 10.0 B 10.0 BG 10.0 BG 5.0 BG 5.0 BG 3.00/1.0 3.00/1.0 3.75/1.5 3.75/1.5 5.50/4.0 5.50/4.0 5.50/1.0 5.50/1.0 5.50/1.5 5.50/1.5 101. 101. 102. 102. 103. 103. 104. 104. 695 695 697 697 698 698 796 796 Dark Blue-Grey Dark Blue-Grey Light Admiralty Light Admiralty Grey Grey Steel Grey Steel Grey Dark Violet Dark Violet 0.3060 0.3060 0.2987 0.2987 0.3088 0.3088 0.2981 0.2981 0.3259 0.3259 0.3377 0.3377 0.3292 0.3292 0.2579 0.2579 6.17 6.17 47.95 47.95 7.67 7.67 9.90 9.90 10.0 B 10.0 B 10.0 BG 10.0 BG 10.0 BG 10.0 BG 7.5 P 7.5 P 2.50/1.5 2.50/1.5 7.00/3.0 7.00/3.0 2.50/1.5 2.50/1.5 3.00/7.0 3.00/7.0
C
Chhaaiirrmmaan n RReepprreesseennttiinngg S
SHRIHRI T. K. S. MT. K. S. M ANI ANI Addisons Paint & Chemicals Ltd, Madras Addisons Paint & Chemicals Ltd, Madras
Members Members S
SHRIHRI S. N. AS. N. AGARWALGARWAL
S
SHRIHRI JJ ASBIR ASBIR SSINGHINGH (( AlternateAlternate ))
Directorate General of Technical Directorate General of Technical
Development, New Delhi Development, New Delhi S
SHRIHRI S. S. AS. S. ANAKAIKARNAKAIKAR
S
SHRIHRI JJ AMEEL AMEEL AAHMADHMAD (( AlternateAlternate ))
Goodlass Nerolac Paints Ltd, Bombay Goodlass Nerolac Paints Ltd, Bombay S
SHRIHRI S. K. AS. K. ASTHANASTHANA
S
SHRIHRI K. N. MK. N. MEHROTRAEHROTRA(( AlternateAlternate ))
Ministry of Defence (DGQA), New Delhi Ministry of Defence (DGQA), New Delhi S
SHRIHRI V. M. BV. M. B AVDEKAR AVDEKAR
S
SHRIHRI S. G. SS. G. SHETYEHETYE (( AlternateAlternate ))
Asian Paints (India) Ltd, Bombay Asian Paints (India) Ltd, Bombay S
SHRIHRI R. BR. BEHLEHL ICI India Ltd., CalcuttaICI India Ltd., Calcutta
D
DRR P. G. CP. G. CHAUDHARIHAUDHARI
S
SHRIHRI C. R. TC. R. THUSEHUSE (( AlternateAlternate ))
Garware Paints Ltd, Bombay Garware Paints Ltd, Bombay Director (Chemicals)
Director (Chemicals) S
SHRIHRI R. MR. MUKHOPADHAYAUKHOPADHAYA (( AlternateAlternate ))
Development Commissioner (SSI), GOI, Development Commissioner (SSI), GOI,
Ne
Neww DeDelhlhii S
SHRIHRI M. M. GM. M. GHOSHHOSH Shalimar Paints Ltd, CalcuttaShalimar Paints Ltd, Calcutta
D
DRR S GS GHOSHHOSH
S
SHRIHRI K. NK. NIRMALIRMAL K K UMARUMAR (( AlternateAlternate ))
Berger Paints India Ltd, Calcutta Berger Paints India Ltd, Calcutta Joint Director (CM)
Joint Director (CM) SR (CMT) (
SR (CMT) ( AlternateAlternate )) Railway Board, New DelhiRailway Board, New Delhi S
SHRIHRI JJUNGUNG BB AHADUR AHADUR
S
SHRIHRI A. MA. M AZUNDAR AZUNDAR (( AlternateAlternate ))
Tata Engg. & Locomotive Co, Pune Tata Engg. & Locomotive Co, Pune S
SHRIHRI AALOK LOK MM ATHUR ATHUR
S
SHRIHRI M. M. GM. M. GHOSHHOSH (( AlternateAlternate ))
Indian Paints Association, Calcutta Indian Paints Association, Calcutta S
SHRIHRI AALOK LOK MMUKHERJEEUKHERJEE
S
SHRIHRI S. P. GS. P. GOELOEL (( AlternateAlternate ))
The U. K. Paint Industries, New Delhi The U. K. Paint Industries, New Delhi S
SHRIHRI D. P. MD. P. MUKHERJEEUKHERJEE
S
SHRIHRI A. P. SA. P. SINHAINHA (( AlternateAlternate ))
Heavy Machine Building Plant (HEC), Ranchi Heavy Machine Building Plant (HEC), Ranchi S
SHRIHRI AANILNIL A. PA. P AREKH AREKH
S
SHRIHRI G. K. LG. K. LOYALKAOYALKA (( AlternateAlternate ))
Indian Small Scale Paint Assc., Bombay Indian Small Scale Paint Assc., Bombay S
SHRIHRI RR AMESH AMESH CCHANDHAND Central Public Works Deptt., New DelhiCentral Public Works Deptt., New Delhi
D
DRR GG AUTAM AUTAM RR AY AY
S
SHRIHRI R. N. BR. N. B ANERJEE ANERJEE (( AlternateAlternate ))
Jenson & Nicholson (India) Ltd, Calcutta Jenson & Nicholson (India) Ltd, Calcutta S
SHRIHRI R. L. TR. L. TIWARIIWARI
S
SHRIHRI B. S. NB. S. N ARULA ARULA (( AlternateAlternate ))
Ministry of Defence (R & D), New Delhi Ministry of Defence (R & D), New Delhi R
REPRESENTATIVEEPRESENTATIVE Ministry of Environment & Forests, New DelhiMinistry of Environment & Forests, New Delhi
S
SHRIHRI S. K. SS. K. S AHA AHA
S
SHRIHRI A. CA. CHAKRAWARTYHAKRAWARTY (( AlternateAlternate ))
National Test House, Calcutta National Test House, Calcutta D
DRR G. SG. S AHA AHA Engineers India Ltd, New DelhiEngineers India Ltd, New Delhi
D
DRR M. S. SM. S. S AXENA AXENA
D
DRR M. M. SM. M. SHIRSALKARHIRSALKAR (( AlternateAlternate ))
Oil Technologists Association of India, Kanpur Oil Technologists Association of India, Kanpur S
SHRIHRI G. N. TG. N. TEWARIEWARI
S
SHRIHRI P. K. K P. K. K HANNAHANNA (( AlternateAlternate ))
The Punjab Paint Colour & Varnish Works The Punjab Paint Colour & Varnish Works
Ltd, Kanpur Ltd, Kanpur S
SHRIHRI M. B. UM. B. UNNIINNII
S
SHRIHRI N. D. GN. D. GUPTAUPTA (( AlternateAlternate ))
S
SHRIHRI A. K. BA. K. B ASU ASU(( AlternateAlternate ))
Bharat Heavy Electricals Ltd, New Delhi Bharat Heavy Electricals Ltd, New Delhi
S
SHRIHRI V. K. VV. K. VERMAERMA
S
SHRIHRI A. K. AA. K. AGARWALGARWAL (( AlternateAlternate ))
Shriram Institute for Industrial Research, Shriram Institute for Industrial Research,
New Delhi New Delhi D
DRR M. YM. Y ASEEN ASEEN
D
DRR B. G. K. MB. G. K. MURTHYURTHY (( AlternateAlternate ))
Indian Institute of Chemical Technology, Indian Institute of Chemical Technology,
Hyderabad Hyderabad D
harmonious development of the activities of standardization, marking and quality certification of harmonious development of the activities of standardization, marking and quality certification of goods and attending to connected matters in the country.
goods and attending to connected matters in the country. Copyright
Copyright
BIS has the copyright of all its publications. No part of these publications may be reproduced in any BIS has the copyright of all its publications. No part of these publications may be reproduced in any form without the prior permission in writing of BIS. This does not
form without the prior permission in writing of BIS. This does not preclude the free use, in the coursepreclude the free use, in the course of implementing the standard, of necessary details, such as symbols and sizes, type or grade of implementing the standard, of necessary details, such as symbols and sizes, type or grade designations. Enquiries relating to copyright be addressed to
designations. Enquiries relating to copyright be addressed to the Director (Publications), BIS.the Director (Publications), BIS. Review of Indian Standards
Review of Indian Standards
Amendments are issued to standards as the need arises on t
Amendments are issued to standards as the need arises on t he basis of comments. Standards are alsohe basis of comments. Standards are also reviewed periodically; a standard along with amendments is reaffirmed when such review indicates reviewed periodically; a standard along with amendments is reaffirmed when such review indicates that no changes are needed; if the review indicates that changes are needed, it is taken up for that no changes are needed; if the review indicates that changes are needed, it is taken up for revision. Users of Indian Standards should ascertain that they are in possession of the latest revision. Users of Indian Standards should ascertain that they are in possession of the latest amendments or edition
amendments or edition by referring by referring to the latest issue oto the latest issue of ‘BIS Catalogf ‘BIS Catalogue’ and ‘Standardsue’ and ‘Standards :: MonthlyMonthly Additions’.
Additions’. This Indian
This Indian Standard has Standard has been devebeen developed by loped by Technical CTechnical Committeeommittee :: CHD 20CHD 20
Amendments Issued Since Publication Amendments Issued Since Publication A
Ammeennd d NNoo.. DDaatte e oof f IIssssuuee A
Ammdd. . NNoo. . 11 SSeepptteemmbbeer r 11999955
B
BURUREAEAUU OFOF ININDIDIANAN SSTTANANDADARRDSDS Headquarters:
Headquarters:
Manak Bhavan, 9 Bahadur Shah Z
Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi 110002.afar Marg, New Delhi 110002. Telephones:
Telephones: 323 01 31, 323 01 31, 323 33 75, 323 33 75, 323 94 02323 94 02
Teleg
Telegrams:rams: ManakManaksansthsansthaa (Common to all offices) (Common to all offices) R
ReeggiioonnaallOOffffiicceess:: TTeelleepphhoonnee
Ce
Centntrarall :: MaMananak Bhk Bhavavanan, 9 Ba, 9 Bahahadur dur ShShah Zah Zafafar Mar Marargg NEW DELHI 110002 NEW DELHI 110002 323 76 17 323 76 17 323 38 41 323 38 41 East
Easternern : 1/14 : 1/14 C. I. C. I. T. ScT. Scheme heme VII MVII M, V. , V. I. P. I. P. RoadRoad, Kank, Kankurgacurgachihi KOLK KOLKATAATA 700070005454 33 3377 8484 9999, 3, 33737 85 85 6161 3 33377 8686 2266, 3, 33377 9911 2200 N
Noorrtthheerrnn : : SSCCO O 333355--333366, , SSeeccttoor r 3344--AA, , CCHHAANNDDIIGGAARRH H 116600002222 660 30 38 48 433 6
600 2200 2255 S
Soouutthheerrnn : : CC. . II. . TT. . CCaammppuuss, , IIV V CCrroosss s RRooaadd, , CCHHEENNNNAAI I 660000111133 223355 0022 1166, , 223355 0044 4422 2
23355 1515 1199, 2, 23355 2233 1155 Wes
Westerternn :: MaManaknakalaalayaya, E9 M, E9 MIDCIDC, Ma, Marolrol, And, Andherheri (Ei (Eastast)) MUMBAI 400093 MUMBAI 400093 8 83322 9292 9955, 8, 83322 7788 5588 8 83322 7878 9911, 8, 83322 7788 9922 Branches Branches :: A H M E D AA H M E D A B A D . B A D . B A N G A L O R E . B A N G A L O R E . B H O P A L . B H O P A L . B H U B A N E S H WB H U B A N E S H W A R . A R . C O I M B A T O R E .C O I M B A T O R E . F A R I D A B A D . G H A Z I A B A D . G U W A H A T I . H Y D E R A B A D . J A I P U R . K A N P U R . L U C K N O W . F A R I D A B A D . G H A Z I A B A D . G U W A H A T I . H Y D E R A B A D . J A I P U R . K A N P U R . L U C K N O W . N A G P U R . N A L A G A R H . P A T N A . P U N E . R A J K O T . T H I R U V A N A N T H A P U R A M . N A G P U R . N A L A G A R H . P A T N A . P U N E . R A J K O T . T H I R U V A N A N T H A P U R A M . V I S H A K H A P A T N A M V I S H A K H A P A T N A M