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Colour Space

Colour Difference Euclidean distance (E) :

E = { (X)2+ (Y)2+ (Z)2}1/2

E sensation Empfindung

Differences in rectangular coordinates L *, a* and b* in the CIELAB space

Tolerances in rectangular coordinates L*, a* and b* in the CIELAB space

Tolerances in cylindrical co-ordinates L *, C* and h in the CIELAB spaceMetamerism (Colour)

. 3

metamerism between light source