coloration
noun(British English also colouration)
[uncountable] (specialist)the natural colours and patterns on a plant or an animal （植物或動物的）自然色彩，自然花紋 Many insects have bright coloration, which has evolved as a protection against predators. 許多昆蟲有鮮豔的自然花紋，這是防禦捕食者的一種進化。 The coloration of the leaves is deeper purple or mauve. 葉子的顔色是深紫色或淡紫色。
Word Originearly 17th cent.: from late Latin coloratio(n-), from colorare ‘to colour’.