tawny-brown vs tawny

tawny-brown and tawny both are adjectives.

Word	Noun	Adjective	Verb	Adverb
tawny-brown	No	Yes	No	No
tawny	No	Yes	No	No

As adjectives, tawny-brown and tawny are synonyms defined as:

tawny-brown and tawny: of a light brown to brownish orange color; the color of tanned leather

tawny-brown (adjective)	tawny (adjective)
of a light brown to brownish orange color; the color of tanned leather	of a light brown to brownish orange color; the color of tanned leather