What is "snuff-brown"

Usage examples of "snuff-brown".

Longarm tucked a clean linen handkerchief into the breast pocket of his frock coat and took his snuff-brown Stetson from its nail on the wall.

In contrast to the snuff-brown locks of the other patrons, his silky mane of hair was a soft shade of gray, streaked with silver as though it had aged before its time, for his face was that of a young man of perhaps eight-and-twenty Winters.