pink vs chromatic colour

pink and chromatic colour both are nouns.

Word	Noun	Adjective	Verb	Adverb
pink	Yes	Yes	Yes	No
chromatic colour	Yes	No	No	No

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

Other hypernyms of pink include chromatic color, spectral color, spectral colour.

pink (noun)	chromatic colour (noun)
a light shade of red	a color that has hue
a person with mildly leftist political views
any of various flowers of plants of the genus Dianthus cultivated for their fragrant flowers

pink (adjective)	chromatic colour (adjective)
of a light shade of red

pink (verb)	chromatic colour (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