snuff-color vs raw sienna

snuff-color and raw sienna both are nouns.

Word	Noun	Adjective	Verb	Adverb
snuff-color	Yes	No	No	No
raw sienna	Yes	No	No	No

As nouns, raw sienna is a hypernym of snuff-color; that is, raw sienna is a word with a broader meaning than snuff-color:

Other hypernyms of snuff-color include buff, caramel, caramel brown, yellowish brown.

snuff-color (noun)	raw sienna (noun)
dark yellowish brown	a medium to dark tan color
	a yellowish-brown pigment made from untreated sienna