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color-view™ Spectrophotometer User’s Guide

CIELUV International Color Scale

comprised of L*, u* and v*

values, recommended by the

CIE in 1976

CIE Standard Observer an ideal observer with a visual

response described by the CIE

tristimulus functions

CIE Standard Source standard sources for which the

CIE has specified spectral

energy distributions

CIE Standard Source A a tungsten filament lamp

operated at a correlated color

temperature of approximately

2854 K

CIE Standard Source C an approximation of average

daylight having a correlated

color temperature of

approximately 6670 K;

approximates daylight on a clear

day at noon

CIE Tristimulus Values the amounts of three specified

stimuli required to match a color

(% of visual response of light

source)

Color Difference the magnitude and character of

the difference between two

object colors under specified

conditions

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Altana Color-View Manuale Utente Pagina 57