chromatic vision vs vision

chromatic vision and vision both are nouns.

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

As nouns, vision is a hypernym of chromatic vision; that is, vision is a word with a broader meaning than chromatic vision:

Other hypernyms of chromatic vision include sight, visual modality, visual sense.

chromatic vision (noun)	vision (noun)
the normal ability to see colors	the ability to see; the visual faculty
	the perceptual experience of seeing
	a vivid mental image
	the formation of a mental image of something that is not perceived as real and is not present to the senses
	a religious or mystical experience of a supernatural appearance