Incredible Chestnut Brown 6 Hair Color Ideas. Web chestnut brown #6 hair extensions: Web below, we gathered some of our favorite spins on chestnut hair — from dark brown with chestnut highlights to chestnut balayage.

If your hair is naturally light brown to black, chances are that chestnut brown will look perfect on you. The chestnut brown color has a light red highlight undertone. Web best for brunettes: