chromatic
adjective specialized uk/krəˈmæt.ɪk/ us/kroʊˈmæt̬.ɪk/
(COLOUR)
[ before noun ] art 色彩的，颜色的
relating to colours
a chromatic range/combination 色域／色彩搭配
(MUSIC)
music 半音（阶）的
belonging or relating to a musical scale in which the notes follow each other in semitones
the chromatic scale 半音音阶