1.  colouration(n = noun.attribute) color, coloration, colour - the timbre of a musical sound; "the recording fails to capture the true color of the original music"

2.  colouration(n = noun.attribute) coloration - appearance with regard to color; "her healthy coloration"

3.  colouration(n = noun.act) coloration - choice and use of colors (as by an artist);

colouration, var. of COLORATION.