You can always add a little brown to that to make it look gorgeous. But how to achieve beautiful brown hair color? Here are a few tips: First, you need to know your skin tone. If you have warm skin, you’ll have a hard time choosing the right shade of brown for that. You should go for a color that is slightly cool-toned or medium-toned. If you have a cooler complexion, you should opt for a shade that is warmer.