cheddar pink vs garden pink

cheddar pink and garden pink both are nouns.

Word	Noun	Adjective	Verb	Adverb
cheddar pink	Yes	No	No	No
garden pink	Yes	No	No	No

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

cheddar pink: mat-forming perennial of central Europe with large fragrant pink or red flowers
garden pink: any of various flowers of plants of the genus Dianthus cultivated for their fragrant flowers

Other hypernyms of cheddar pink include pink.

cheddar pink (noun)	garden pink (noun)
mat-forming perennial of central Europe with large fragrant pink or red flowers	any of various flowers of plants of the genus Dianthus cultivated for their fragrant flowers