ALTANA Color-View - Manual (Page 57)

color-view™ Spectrophotometer User’s Guide
66
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