chro ‧ mat ‧ ic /krəʊˈmætɪk, krə- $ kroʊ-, krə-/ BrE AmE adjective
[ Date: 1400-1500 ; Language: Greek ; Origin: chromatikos , from chroma 'skin, color' ]
1 . technical related to a musical scale which consists of ↑ semitone s :
a chromatic scale
chromatic harmonies
2 . formal related to bright colours