monochrome vs coloured

monochrome and coloured both are nouns.

Word	Noun	Adjective	Verb	Adverb
monochrome	Yes	Yes	No	No
coloured	Yes	Yes	No	No

monochrome (noun)	coloured (noun)
a black-and-white photograph or slide	a United States term for Blacks that is now considered offensive
painting done in a range of tones of a single color

monochrome (adjective)	coloured (adjective)
having or appearing to have only one color	having color or a certain color; sometimes used in combination
	(used of color) artificially produced; not natural
	having skin rich in melanin pigments;
	favoring one person or side over another