olive-brown vs chromatic

olive-brown and chromatic both are adjectives.

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

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