chromatic vs vermilion

chromatic is not a noun while vermilion is a noun.

Word	Noun	Adjective	Verb	Adverb
chromatic	No	Yes	No	No
vermilion	Yes	Yes	Yes	No

chromatic (noun)	vermilion (noun)
	a variable color that is vivid red but sometimes with an orange tinge

chromatic (adjective)	vermilion (adjective)
being or having or characterized by hue	of a vivid red to reddish-orange color
based on a scale consisting of 12 semitones
able to refract light without spectral color separation

chromatic (verb)	vermilion (verb)
	color vermilion