chromatic color vs spectral color

chromatic color and spectral color both are nouns.

Word	Noun	Adjective	Verb	Adverb
chromatic color	Yes	No	No	No
spectral color	Yes	No	No	No

As nouns, chromatic color and spectral color are synonyms defined as:

Other synonyms of chromatic color include chromatic colour, spectral colour.

chromatic color (noun)	spectral color (noun)
a color that has hue	a color that has hue