Russet and Red-brown

Russet adjective - Of brown with a reddish tinge.

Red-brown and russet are semantically related. In some cases you can use "Red-brown" instead an adjective "Russet".

Red-brown adjective - Of brown tinged with red.

Russet and red-brown are semantically related. You can use "Russet" instead an adjective phrase "Red-brown".