(also colouration )
■ noun
1》 arrangement or scheme of colour; colouring.
2》 the character or tone of something, especially musical expression.
Origin
C17: from late L. coloratio(n-) , from colorare 'to colour'.
COLORATION
Meaning of COLORATION in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004