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1590s (of music), "progressing by half-tones;" 1831 as "pertaining to color," from Latin chromaticus, from Greek khromatikos "relating to color, suited for color," from khroma (genitive khromatos) "color, complexion, character," but chiefly used metaphorically of embellishments in music, originally "skin, surface" (see chroma).
chromatic chro·mat·ic (krō-māt'ĭk)
Relating to color or colors.
Produced by or made in a color or colors.