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Sep 5, 2020 · Learn about the rarest eye colors in the world and in America, and how they are determined by melanin and genetics. Find out why green eyes are the most attractive, hazel eyes are a blend of brown and green, and blue eyes are a result of a ancient mutation.
May 2, 2024 · Black eyes are rare, affecting less than 1% of the population. They can result from genetic mutations that affect the iris or the pupil. Learn more about black eyes and other eye color variations, such as green, gray, and violet.
The scale consists of 20 colors ranging from light blue to dark brown-black, corresponding to natural eye colors caused by the amount of melanin in the iris: Normal eye colors range from the darkest shades of brown to the lightest tints of blue.
Jan 1, 2024 · Black is not an eye color, but a very dark brown or large pupils. Gray is the rarest eye color, followed by green and hazel/amber. Learn about the genetics, health, and changes of different eye colors.
- Why Your Eyes Are the Color They Are. Eye colors can range from pale blue to dark brown that looks black. The color of your eyes is determined by a combination of pigments in the iris, a two-layer structure that contains clusters of three main pigments: melanin, pheomelanin, and eumelanin.
- Eye Color Percentages. Brown is the most common eye color in both the United States and the world. More than half of all people have brown eyes. Green eyes are considered to be the rarest—only 2% of all people have them.
- Genetics of Eye Color. Multiple genes help determine your eye color. Research shows that you cannot predict a baby's eye color based only on the parents' eye colors because many genes are involved.
- Why Brown Is Most Common. Researchers believe that brown eyes are the most common because our first human ancestors had this eye color. High levels of melanin help to protect the eyes from damaging sun rays.
Jun 11, 2023 · Learn about the rarest eye colors in humans, such as red, violet, green, and gray, and how they are caused by genetics, albinism, or aniridia. Find out how eye color works, changes over time, and can be altered by contact lenses, makeup, or hypnosis.
Mar 11, 2024 · Learn about the six main eye colors and how they vary depending on melanin, iris structure and other factors. Find out how eye color can change with age, medications and medical conditions.
