ultramarine vs chromatic

ultramarine is a noun but chromatic is not a noun.

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

ultramarine (noun)	chromatic (noun)
a vivid blue to purple-blue color
blue pigment made of powdered lapis lazuli

ultramarine (adjective)	chromatic (adjective)
of a brilliant pure blue to purplish blue color	being or having or characterized by hue
	based on a scale consisting of 12 semitones
	able to refract light without spectral color separation