'colouration' definitions:

Definition of 'colouration'

From: WordNet
noun
The timbre of a musical sound; "the recording fails to capture the true color of the original music" [syn: color, colour, coloration, colouration]
noun
Appearance with regard to color; "her healthy coloration" [syn: coloration, colouration]
noun
Choice and use of colors (as by an artist) [syn: coloration, colouration]