dithered colour vs British spelling

dithered colour and British spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
dithered colour	Yes	No	No	No
British spelling	Yes	No	No	No

dithered colour (noun)	British spelling (noun)
a color produced by a pattern of differently colored dots that together simulate the desired color	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')