coloration

Short definition from Wiktionary

Noun

1. 1
   The act or art of coloring.
2. 2
   The quality of being colored.
3. 3
   A notational device for indicating hemiola through either use of red ink (in mensural black notation) or black noteheads (in mensural white notation).
4. 4
   Ornamental division (also called passaggi, glosas, diminutions. etc.) employing rapid black notes.
5. 5
   Political tendency.
6. 6
   This when a consonant bleeds one of the qualities to the next vowel before the consonant disappears. This can describe PIE Laryngeal Theory.