chroma

[ kroh-muh ]
/ ˈkroʊ mə /

noun

the purity of a color, or its freedom from white or gray.
intensity of distinctive hue; saturation of a color.

Origin of chroma

First recorded in 1885–90, chroma is from the Greek word chrôma color
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Examples from the Web for chroma

British Dictionary definitions for chroma

chroma

/ (ˈkrəʊmə) /

noun

the attribute of a colour that enables an observer to judge how much chromatic colour it contains irrespective of achromatic colour presentSee also saturation (def. 4)
(in colour television) the colour component in a composite coded signal

Word Origin for chroma

C19: from Greek khrōma colour
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012