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
The Color Orange motives for wearing the bracelet. At the 2008 Olympic Games the orange color was said by The Color Orange Group to have been meant to protest human rights issues in China. The Color Orange The Color Orange, an organization established in 2008 by Jens Galschiøt, to highlight the violations of the human rights in China on the occasion of the Olympic Games in Beijing August 2008. This organization uses the colour orange to peacefully bring notice to human rights violations during this time. The color orange was used as a symbol used to protest against the human rights violations in