Reddish-brown and Sepia

Reddish-brown adjective - Of brown tinged with red.

Sepia and reddish-brown are semantically related. In some cases you can use "Sepia" instead the phrase "Reddish-brown" as a noun or an adjective.

Sepia noun - Rich brown pigment prepared from the ink of cuttlefishes.

Reddish-brown and sepia are semantically related. You can use "Reddish-brown" instead an adjective "Sepia".