chromatic vs amber

chromatic is not a noun while amber is a noun.

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

chromatic (noun)	amber (noun)
	a deep yellow color
	a hard yellowish to brownish translucent fossil resin; used for jewelry

chromatic (adjective)	amber (adjective)
being or having or characterized by hue	of a medium to dark brownish yellow color
based on a scale consisting of 12 semitones
able to refract light without spectral color separation