dithered colour vs Australian spelling

dithered colour and Australian spelling both are nouns.

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

dithered colour (noun)	Australian spelling (noun)
a color produced by a pattern of differently colored dots that together simulate the desired color	English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')