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2 Hue... 7 Chroma... 7 Lightness CIE CIELAB (L*a*b*)...12 CIELCH (L*C*h ) CIELAB CIELCH...14 CIE CIELAB...15 CIELCH...16 CMC CIE

3 2 2

4 / /45 45/0 0/45 0/45 10 X-Rite X-Rite 2 1

5 X-Rite X-RiteColor Master X-Rite X-Rite QA-Master I 1 SP62 1 X-Rite X-Rite MA68 II DRS MA68 II X-RiteColor Master 0/45 X-Rite0/45 X-Rite X- RiteColor Master X-RiteColor Master X-RiteColor Master 4

6 X-Rite TeleFlash TeleFlash TeleFlash 150cm / X-Rite X-Rite Color-Mail ColorMail X-RiteColor Master X-RiteInternational Color Consortium ICC ICC X-Rite Monitor Optimizer MatchRite MatchRite 5

7 6

8 Hue Chroma Value / lightness3 3 Hue 1 Chroma 1Hue 2 2Chromaticity 7

9 Lightness

10 Albert H. Munsell Munsell Scale In CIE CIE Commission Internationale de l'eclairage International Commission on Illumination 1931 CIE3 CIE XYZ CIE L*a*b* CIE L*C*h 3 % nm nm 5 6 D65 9

fingerprint 5 CIE A D65 6F2 CIE CIE 19311964 7 XYZ 83 2.0 1.5 1.0 0.5 z(λ) y(λ) 2 CIE 1931 10 CIE 1964 x(λ) 0.

Intensity Power 120 100 80 60 40 20 300 250 200 2.0 150 1.5 y(λ) 100 1.0 x(λ) 0.

11 fingerprint 5 CIE A D65 6F2 CIE CIE XYZ z(λ) y(λ) 2 CIE CIE 1964 x(λ) nm 7 CIE 2 10 Percent Reflectance Reflectance Intensity % Relative Reflectance Spectral Intensity Power y(λ) x(λ) Wavelength (nm) nm Wavelength (nm) nm Wavelength (nm) nm Reflectance Tristimulus Values Intensity z(λ) 2 Observer (CIE 1931) 10 Observer (CIE 1964) X X = X = Y = Z = 7.34 D

12 CIEXYZ Y X Z 1931CIExyz 9 xyy Yx,y % y 9 CIE 1931 x, y 10 x 11

13 xyy CIECIELAB(L*a*b*) CIELCH (L*C*h ) CIELAB (L*a*b*) CIELABL* a* b* 11 12L*a*b* a* b* +b L*L* = 0 L*a*b* 11 CIELAB A B AB a* b* L* CIELCH (L*C*h ) A L* = a* = 8.82 b* = CIELAB CIELCH CIELCH CIELAB L* C* h B L* = a* = b* =

14 L*C*h CIELAB 90 Yellow +b* Hue L* = 116 (Y/Y n ) 1/3-16 a* = 500 [(X/X n ) 1/3 - (Y/Y n ) 1/3 ] b* = 200 [(Y/Y n ) 1/3 - (Z/Z n ) 1/3 ] L* =116 (Y/Y n ) 1/3-16 C* = (a 2 + b 2 ) 1/2 180 h = arctan (b*/a*) Green -a* X n, Y n, Z n, 0 Red +a* 11 CIELAB Blue -b* L*a*b* 13

CIELAB CIELCH CIELAB CIELCH2 L* a* b* DL* Da* Db* L* C* H* DL* DC* DH* D L* a* b*cielab E* E* ab = [( L 2 ) + ( a 2 ) + ( b 2 )] 1/2 AC L* a* b* AC L* = +11.10 a* = -6.10 b* = -5.25 A L* = 52.

15 CIELAB CIELCH CIELAB CIELCH2 L* a* b* DL* Da* Db* L* C* H* DL* DC* DH* D L* a* b*cielab E* E* ab = [( L 2 ) + ( a 2 ) + ( b 2 )] 1/2 AC L* a* b* AC L* = a* = b* = A L* = a* = 8.82 b* = E*=13.71 AC a* b*-5.25 L* CA 2CIELCH L* = C* = H* = 5.49 C L*=64.09 a*=2.72 b*=49.28 CA L* = , a* = -6.10, b* = E*ab = [(+ 11.1)2 + (-6.1)2 + (-5.25)2]1/2 E*ab = C*-5.88C H*5.49C A L*L* CIELAB CIELCH 14

16 L* CIE L* = + = = a* = + = = b* = + = = C* = + = = H* = E* = b* a* 13 3 CIELAB CIELCH CMC CIE94 14 CIELAB CIELAB CIELAB L*a* b* 14 b* a* 15

17 CIELCH CIELCHL*C*H* V CIELCH CMC CMCCMCCIELCH CMC Colour Measurement Committee of the Society of Dyers and Colourists 1988 CMC 16 CIELCH V CMC cf cf cf=1.0 E CMC b* c c CMC a* 17 CIELCH 16

18 18 cf = 0.5 cf = 1 19cf 17

19 CIE CIE CIE94CIE94 CMCcf kl Kc ccmc (1.4:1) (2:1) CMCCIE94 2 CMC CIE94 CMCCIE94 20 CMC % CIELAB 75% CIELCH 85% CMCCIE94 95% 5Billmeyer

20 American Standards Test Methods (ASTM) E313 ASTM E313 D

21 brightness q.v illuminant A CIE illuminant A CIE 2856 K380nm 770nm C CIE illuminant C CIE 6774 K D CIE illuminant D CIE300nm 830nm 300nm380nm UV D D K C color color temperature Kelvin 2400 K 9300 K 6504 K color space color attribute scattering additive primaries 100% gamut 100% 100% 100% 100%100% 100%100% colorist q.v. color order systems 1 2 CIE 20

22 Ostwald 3 Plochere color model observer standard absorb/absorption specular gloss 60 grayscale fluorescent lamp subtractive primaries 100% 2 100% 100% 100% 100% 100% 100% 100% light source gloss 60 = 29.8American Society for Testing and Materials (ASTM) D contrast chroma/chromaticity tristimulus CIE tristimulus values CIE X Y Z CIE C 100 CIE CIE X Y Z R G B tristimulus colorimeter y CIE luminosity function 380nm780nm 1924CIE 21

23 color difference colorimeter colorimetric hue R YR Y GY G BG B PB P RP color wheel CIE chromaticity coordinates x y z X Y Z C x10 y1010 C CIE chromaticity diagram xy nm artificial daylight spectrum spectral power distribution curve specular reflectance SCE specular reflectance excluded SCI specular reflectance included integrating sphere absolute white dye total reflectance color measurement attribute dynamic range 22

24 colorants CIE daylight illuminants 1965CIE 300nm830nm D K C D65D75 D55 tint 1 2 D delta E*e* delta E abecmc DE electromagnetic spectrum nm X color-matching functions CIE transparent nm nanometer reflectance reflectance, specular reflectance, total light 380nm770nm CIE standard illuminants CIE CIE 2A D65 CIE standard observer CIE CIE color specification black spectrophotometric curve spectrophotometer radiant energy 299,792km emissive object saturation ASTM complements 23

25 Munsell Color System Munsell Book of Color appearance achromatic color lightness value V0 10 metamerism chromatic c* chromaticity CIE (Commission Internationale de l'eclairage) The International Commission on Illumination CIE 1976 L*a*b* color space Adams-Nickerson 1976CIE CIE 1976 L*u*v* color space 1976 CIEXYZ TV CIE chromaticity coordinates CIE CIE chromaticity diagram CIE CIE daylight illuminants CIE CIE y luminosity function CIE CIE standard illuminants CIE CIE standard observer CIE CIE tristimulus values CIE CIELAB CIE L*a*b*, CIE Lab L* a* b* L* a* b* CIELAB CMC Colour Measurement Committee of the Society of Dyes and Colourists of Great Britain 1988 L*C*h DE E*CIELAB D65 CIE 6504 K Kelvin Kelvin K Kelvin -273 K X 1 CIE 2 X CIE 3 CIEXYZ1 X Y 1 CIE 2 Y CIE 3 CIEXYZ1 Y Z 1 CIE 2 Z CIE 3 CIEXYZ 1Z 24

26 Tel Fax X-Rite, Incorporated World Headquarters th Street, S.W. Grandville, Michigan USA (616) (800) FAX (616) X-Rite Ltd. The Acumen Centre First Avenue Poynton, Cheshire United Kingdom SK12 1FJ 44 (0) FAX 44 (0) X-Rite Méditerranée Parc du Moulin de Massy 35, rue du Saule Trapu Massy France FAX X-Rite Asia Pacific Ltd. Room Kornhill Metro Tower 1 Kornhill Road Quarry Bay Hong Kong (852) FAX (852) X-Rite GmbH Stollwerckstr Köln Germany (49) FAX (49) X-Rite GmbH Czech Office Jana Soupala 2, P.O. Box Vyskov Czech Republic (420) FAX (420) X-Rite, Incorporated Specifications and design subject to change without notice. X-Rite, RiteColor and MatchRite are registered trademarks X-Rite, Incorporated. Spectralon is a registered trademark of Labsphere, Inc. Products manufactured by X-Rite, Incorporated are warranted to be free from defects in material and workmanship under normal use and service, for a period of twelve (12) months from the date of shipment. X-Rite, Incorporated will repair or replace, at its option, products which prove to be defective within the warranty period, that are returned F.O.B. its factory. X-Rite, Incorporated s warranty shall be voided by any repair, alteration, or modification by persons other than the employees of X-Rite, Incorporated, or those expressly authorized by X-Rite, Incorporated to make repairs, and by any abuse, misuse or neglect of the products, or by use not in accordance with X-Rite, Incorporated s published instructions. The remedies for any failure of X- Rite, Incorporated s products to meet the warranty specified herein shall be those remedies stated herein and no others; these remedies being exclusive remedies as a condition of sale. EXCEPT AS PROVIDED IN THIS PARAGRAPH, X-RITE, INCORPORATED MAKES NO WARRANTY, EXPRESSED OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE.

1 2 3 X-Rite, Incorporated 1998 ALL RIGHTS RESERVED

1 2 3 X-Rite, Incorporated 1998 ALL RIGHTS RESERVED 1 2 3 www.x-rite.com X-Rite, Incorporated 1998 ALL RIGHTS RESERVED 1 1 The Color Guide and Glossary input 2 Color Communication 3 The Color Guide and Glossary 4 Color Communication 5 The Color Guide and