Source : Webster's Revised Unabridged Dictionary (1913)

Coloration \Col`or*a"tion\, n.
   The act or art of coloring; the state of being colored.
   --Bacon.

         The females . . . resemble each other in their general
         type of coloration.                      --Darwin.

Source : WordNet®

coloration
     n 1: the timbre of a musical sound; "the recording fails to
          capture the true color of the original music" [syn: {color},
           {colour}, {colouration}]
     2: appearance with regard to color; "her healthy coloration"
        [syn: {colouration}]
     3: choice and use of colors (as by an artist) [syn: {colouration}]