caramel brown vs caramel

caramel brown and caramel both are nouns.

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

As adjectives, caramel brown and caramel are synonyms defined as:

caramel brown and caramel: having the color of caramel; of a moderate yellow-brown

As nouns, caramel brown and caramel are synonyms defined as:

Other synonyms of caramel brown include buff, raw sienna, yellowish brown.

caramel brown (noun)	caramel (noun)
a medium to dark tan color	a medium to dark tan color
	firm chewy candy made from caramelized sugar and butter and milk
	burnt sugar; used to color and flavor food

caramel brown (adjective)	caramel (adjective)
having the color of caramel; of a moderate yellow-brown	having the color of caramel; of a moderate yellow-brown