coloration

noun

• 1the appearance of something with regard to colour:some bacterial structures take on a purple coloration
• the natural colouring of animals or plants:the red coloration of many maples
• a scheme of applying colour in art: the coloration of the drawing

• 2the pervading character or tone of something:the productions have taken on a political coloration
• a variety of musical or vocal expression:the subtle colorations of big-box speakers