tawny vs tawny-brown

tawny and tawny-brown both are adjectives.

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

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

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

tawny (adjective)	tawny-brown (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