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CIE 1976 L*u*v* colour difference
CIELUV colour difference
difference between two colour stimuli, defined as the Euclidean distance between the points representing them in the CIE 1976 L*u*v* colour space and calculated as:
Note 1 to entry: See also CIE 15
Note 2 to entry: See also ISO/CIE 11664-5
Note 3 to entry: This entry was numbered 845-03-55 in IEC 60050-845:1987.
Note 4 to entry: This entry was numbered 17-158 and 17-174 in CIE S 017:2011.