color-blind person vs mortal

color-blind person and mortal both are nouns.

Word	Noun	Adjective	Verb	Adverb
color-blind person	Yes	No	No	No
mortal	Yes	Yes	No	No

As nouns, mortal is a hypernym of color-blind person; that is, mortal is a word with a broader meaning than color-blind person:

color-blind person: a person unable to distinguish differences in hue
mortal: a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential

Other hypernyms of color-blind person include individual, person, somebody, someone, soul.

color-blind person (noun)	mortal (noun)
a person unable to distinguish differences in hue	a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential

color-blind person (adjective)	mortal (adjective)
	subject to death
	unrelenting and deadly
	involving loss of divine grace or spiritual death
	causing or capable of causing death