caramel brown vs brown

caramel brown and brown both are nouns.

Word	Noun	Adjective	Verb	Adverb
caramel brown	Yes	Yes	No	No
brown	Yes	Yes	Yes	No

As nouns, brown is a hypernym of caramel brown; that is, brown is a word with a broader meaning than caramel brown:

Other hypernyms of caramel brown include brownness.

caramel brown (noun)	brown (noun)
a medium to dark tan color	an orange of low brightness and saturation

caramel brown (adjective)	brown (adjective)
having the color of caramel; of a moderate yellow-brown	(of skin) deeply suntanned
	of a color similar to that of wood or earth

caramel brown (verb)	brown (verb)
	fry in a pan until it changes color
	make brown in color