ETYM Latin chromaticus, Greek, suited for color, from kroma.
1. Being or having or characterized by hue; SYN. colored.
2. Able to refract light without spectral color separation.
3. (Music) Based on a scale consisting of 12 semitones.
4. Pertaining to color; Music, using tones outside the key in which it is written, especially the half-tones.