chromatic

/K R OW0 M AE1 T IH0 K/
adjective
  1. 1

    Relating to or characterised by hue.

  2. 2

    Having the capacity to separate spectral colours by refraction.

  3. 3

    Related to or using notes not belonging to the diatonic scale of the key in which a passage is written.

  4. 4

    Moving in semitones.

  5. 5

    Relating to chromatin

Source: https://en.wiktionary.org/wiki/chromatic