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Related to chroma: Chroma Key, chrome
The aspect of color in the Munsell color system by which a sample appears to differ from a gray of the same lightness or brightness and that corresponds to saturation of the perceived color.
[Greek khrōma, color.]
1. (Colours) the attribute of a colour that enables an observer to judge how much chromatic colour it contains irrespective of achromatic colour present. See also saturation4
2. (Broadcasting) (in colour television) the colour component in a composite coded signal
[C19: from Greek khrōma colour]
1. the purity of a color or its freedom from white or gray.
2. intensity of hue.
[1885–90; < Greek chrôma color]
See also related terms for hue.