Ash brown hair is the most vibrant and modern variant of brown hair, in our humble opinion. Brunette hair has a vast range of blending ideas. You can blend in many cool and warm tones with this beautiful shade, and all look fantastic. However, the Ash Brown Hair Color really does steal the show. Ash brown hair is a mixture of natural brunette hair with different greyish highlights added to it. This almond-color hair tone is also known by the name of mushroom brown hair. This modern variant of hair color is a multi-dimensional shade that flatters those with fair and medium skin tones.