Chestnut and Red-brown

Chestnut adjective - (of hair or feathers) of a golden brown to reddish brown color.

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

Red-brown adjective - Of brown tinged with red.

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