The charms of brown hair? It’s amazing versatility for mens hairstyle. Brown hair is the second most common human hair color, after black hair. Brown hair is common among populations in Western world, especially among those from Central Europe, Southern Europe, United States and also some populations in Greater Middle East where it transitions smoothly into black hair. Brown hair is common among Australian Aborigines and Melanesians. It varies from light brown to almost black hair. It is characterized by higher levels of the dark pigment melanin and lower levels of the pale pigment pheomelanin. An earthy base can be darkened into a rich mocha or lightened up to a warm beige — or turned into an eye-catching shade in-between. But no matter what color you chose, the best examples always have plenty of sunny shine. See which brown hair dazzle the most in our definitive 15 Cool Brown Hair Color For Men list.