chrominance

(krōmə nəns)

noun

that attribute of light which produces the sensation of color apart from luminance; specif., the color of an object as measured quantitatively in terms of a reference color

Origin: chrom(o)- + (lum)inance

See chrominance in American Heritage Dictionary 4

noun
The difference between one color and a reference color of the same brightness and chromaticity.

Origin:

Origin: Blend of chromo-

Origin: and luminance

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