Incredible What's The Most Rare Hair Color References. Common shades include jet black, raven black, soft black, and very dark brown hair. While black hair is common in nearly every part of the world, it’s practically the only hair colour naturally occurring in certain parts of the world, like africa and asia.

While black hair is common in nearly every part of the world, it’s practically the only hair colour naturally occurring in certain parts of the world, like africa and asia. Web 4 rarest hair colors in the world black hair/very dark brown hair brown hair (brunette) blond/e hair red hair A mere 1% of the entire global population possesses this special.