artificial vs coloured

artificial is not a noun while coloured is a noun.

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

artificial (noun)	coloured (noun)
	a United States term for Blacks that is now considered offensive

artificial (adjective)	coloured (adjective)
contrived by art rather than nature	having color or a certain color; sometimes used in combination
artificially formal	(used of color) artificially produced; not natural
not arising from natural growth or characterized by vital processes	having skin rich in melanin pigments;
	favoring one person or side over another