British spelling vs people of colour

British spelling and people of colour both are nouns.

Word	Noun	Adjective	Verb	Adverb
British spelling	Yes	No	No	No
people of colour	Yes	No	No	No

British spelling (noun)	people of colour (noun)
English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')	a race with skin pigmentation different from the white race (especially Blacks)