How light scatters across the melanin base.People with brown, green and blue colored eyes can indeed change from time to time. That’s not a false claim – well, at least for some. It’s important to remember that any race can have brown eyes.Ĭredit: Wikicommons Can brown eyes change color?Ī lot of folks say their eye color can change. If you are from southern Europe, Africa, the Middle East and some parts of Asia, there is a higher likelihood of brown eyes running in your family. That’s not to say that heredity doesn’t play a role because it does.īrown eyes have been part of the human race since man first walked the earth some six million years ago (modern humans only evolved around 200,000 years ago). What does all of this mean? Well, a non-scientific translation means that a baby can technically be born with any eye color, regardless of the biological infant’s parent’s color shade. Back in 2008, a paper appeared in the American Journal of Human Genetics that did away with much of what we thought we knew about eye color.Īccording to the new research, it is believed that as many as 16 different genes may affect the way color is expressed in the iris. We’ve made great strides in improving our understanding of eye color in recent years. Some scientists believed that a recessive gene also influenced eye color. Translation: If your father had brownish eyes and your mother had blue eyes, you would likely be born with some variation of brown.Īnd if your parents both had green eyes, that would be a strong indicator that you would have green eyes too. Under this line of thinking, it was believed that the offspring (children) inherit their father’s eyes. Nick Jonas has deep brown eyes Brown Eyes and Genesįor decades, researchers thought eye color was determined by one dominant gene. Science of Amber Eyes in People Melanin content in eye color of people with amber, hazel, brown, blue, violet and grey and black eyes Eye Color Your eye color at any given point in time is the result of how the melanin base diffuses across the spectrum. Related: Learn about people with hazel eyesĪ lot of people think eye color, like brown and blue, are part of the iris. caramel, chocolate, hazel-brown and gold) is because of a natural phenomenon known as Rayleigh scattering a term used to describe how light scatters after riding the light spectrum wavelength. The reason you see different shades of brown (i.e. At the tower’s top, you lighter colors, ranging from emerald green to crystal blue.Ī big part of how you get pigmentation relates to a substance known as melanin a complex polymer made from the amino acid tyrosine. On the bottom, you can the darkest colors, like deep brown and black. Pigmentation of your iris works like a tower. Basically, eye color is a function genetics and is determined by two factors: (1) The pigmentation of the iris and (2) the scattering of light itself upon the eye’s base. If you have brown eyes, you probably want to know how you got them. Dark brownish eyes Science behind brown eyes
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