basic dye vs basic colour

basic dye and basic colour both are nouns.

Word	Noun	Adjective	Verb	Adverb
basic dye	Yes	No	No	No
basic colour	Yes	No	No	No

As nouns, basic dye and basic colour are synonyms defined as:

basic dye and basic colour: a dye that is considered to be a base because the chromophore is part of a positive ion

Other synonyms of basic dye include basic color.

basic dye (noun)	basic colour (noun)
a dye that is considered to be a base because the chromophore is part of a positive ion	a dye that is considered to be a base because the chromophore is part of a positive ion