rust-brown vs chromatic

rust-brown and chromatic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
rust-brown	No	Yes	No	No
chromatic	No	Yes	No	No

rust-brown (adjective)	chromatic (adjective)
of the brown color of rust	being or having or characterized by hue
	based on a scale consisting of 12 semitones
	able to refract light without spectral color separation