yellowish pink vs salmon pink

yellowish pink and salmon pink both are nouns.

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

As nouns, yellowish pink and salmon pink are synonyms defined as:

Other synonyms of yellowish pink include apricot, peach.

yellowish pink (noun)	salmon pink (noun)
a shade of pink tinged with yellow	a shade of pink tinged with yellow