Chestnut hair
Encyclopedia
Chestnut hair is a hair color
Hair color
Hair color is the pigmentation of hair follicles due to two types of melanin: eumelanin and pheomelanin. Generally, if more melanin is present, the color of the hair is darker; if less melanin is present, the hair is lighter...

 which is a reddish
Red hair
Red hair occurs on approximately 1–2% of the human population. It occurs more frequently in people of northern or western European ancestry, and less frequently in other populations...

 shade of brown hair
Brown hair
Brown hair is the second most common human hair color.Brown hair varies from light brown to almost black hair. It is characterized by higher levels of the dark pigment eumelanin and lower levels of the pale pigment pheomelanin. Its strands are thicker than those of fair hair but not as much as...

. In contrast to auburn hair, the reddish shade of chestnut
Chestnut (color)
Chestnut, also known as Indian red, is a color, a medium brownish shade of red, and is named after the nut of the chestnut tree.As Indian red, it is named after the red laterite soil found in India. It is thus an earth tone as well as a red. It is composed of naturally occurring iron oxides. Other...

 is darker. The chemical pigments that cause the coloration of chestnut hair are frequently brown eumelanin with stronger levels of pheomelanin.
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