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Eye colors
Eye colors can range from the most common color, brown, to the least common, green. The standard eye colors are brown eyes, blues eyes and green eyes. But some people have even different eye colors - gray eyes, hazel eyes, amber eyes and even violet.
Eye color is determined by the amount and distribution of melanin pigment in the eye's iris. Three main elements within the iris contribute to its color: the melanin content of the iris pigment epithelium, the melanin content within the iris stroma, and the cellular density of the iris stroma. Color variations among different irises are typically attributed to the melanin content within the iris stroma. The density of cells within the stroma affects how much light is absorbed by the underlying pigment epithelium.
Depending on the light and surrounding hues, the eye color can appear quite different.
There are 3 true colors in the eyes that determine the outward appearance; brown, yellow, and blue. The color of the eyes in turn depends on how much of these colors are present. For example, green eyes have yellow and some blue, making them appear green. Brown eyes appear brown because most of the eye contains the brown color.
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Classification of eye colors : Common eye colors
Brown eyes
Brown eyes are the most common eye color, with over half of the world population having them. Brown eyes contain large amounts of melanin (within the iris stroma, which serves to absorb light, particularly at the shorter wavelengths.
Blue eyes
Blue eyes are the second most common eye color in the world. Blue eyes contain low amounts of melanin within the iris stroma; longer wavelengths of light tend to be absorbed by the underlying iris pigment epithelium, and shorter wavelengths are reflected and undergo Rayleigh scattering.
Gray eyes
Gray eyes have less melanin than blue eyes. Gray eyes exhibit small amounts of yellow and brown color in the iris. Visually, gray eyes often tend to appear to change between the shades of blue, green and gray tha could be influenced by the lighting and the surroundings (such as clothes, makeup, etc.).
Green eyes
Green eyes are the rarest natural eye color found in humans. Only 1-2% of the world population has green eyes. According to some researchers, green eyes are the result of mutations that change the melanin structure.
Hazel eyes
Hazel eyes is a a mixture of brown, green and amber colors. Hazel eyes often appear to shift in color from a light brown to a medium golden-green.
Makeup for blue eyes
Makeup for green eyes
Makeup for brown eyes
EyesTune.com - common eye colors - blue eyes, brown eyes, gray eyes, green eyes, hazel eyes
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