yellow woman vs woman

yellow woman and woman both are nouns.

Word	Noun	Adjective	Verb	Adverb
yellow woman	Yes	No	No	No
woman	Yes	No	No	No

As nouns, woman is a hypernym of yellow woman; that is, woman is a word with a broader meaning than yellow woman:

Other hypernyms of yellow woman include adult female, oriental person.

yellow woman (noun)	woman (noun)
offensive term for an Asian woman	women as a class
	an adult female person (as opposed to a man)
	a female person who plays a significant role (wife or mistress or girlfriend) in the life of a particular man