Human hair color account for all possible shades of brown, blond, or red (for example, platinum blond versus dark blond/light brown), nor does it explain why hair color sometimes darkens as a person ages. Several gene pairs control the light versus dark hair color in a cumulative effect. A person's genotype for a multifactorial trait can interact with the environment to produce varying phenotypes (see quantitative trait locus). Natural hair color can be brown, blond, black, red, or white; all natural hair colors including grey, white and lightest blond, are shades of brown. The Fischer–Saller scale, named after Eugen Fischer and , is
Brandon Saller Brandon Saller Brandon Kyle Saller (born June 24, 1983) is a drummer, songwriter and multi-instrumentalist. He is the drummer and vocalist of the metalcore band Atreyu. He is responsible for the melodic singing found in the band's music. He is the band's primary songwriter, along with guitarist Dan Jacobs. Following Atreyu's hiatus in 2011, Saller brought his side project, "the Black Cloud Collective", into the media, renaming it as "Hell or Highwater", who released a full-length album, entitled "Begin Again", in 2011. The band released an EP entitled "The Other Side" in August 2013. In Hell or Highwater, Saller serves