coloration
noun /ˌkʌləˈreɪʃn/
  /ˌkʌləˈreɪʃn/
(British English also colouration)
 [uncountable] (specialist)- the natural colours and patterns on a plant or an animal- Many insects have bright coloration, which has evolved as a protection against predators.
- The coloration of the leaves is deeper purple or mauve.
 Word Originearly 17th cent.: from late Latin coloratio(n-), from colorare ‘to colour’.