yellowish pink vs pink

yellowish pink and pink both are nouns.

Word	Noun	Adjective	Verb	Adverb
yellowish pink	Yes	No	No	No
pink	Yes	Yes	Yes	No

As nouns, pink is a hypernym of yellowish pink; that is, pink is a word with a broader meaning than yellowish pink:

yellowish pink (noun)	pink (noun)
a shade of pink tinged with yellow	a light shade of red
	a person with mildly leftist political views
	any of various flowers of plants of the genus Dianthus cultivated for their fragrant flowers

yellowish pink (adjective)	pink (adjective)
	of a light shade of red

yellowish pink (verb)	pink (verb)
	cut in a zigzag pattern with pinking shears, in sewing
	make light, repeated taps on a surface
	sound like a car engine that is firing too early