What is the rarest eye colour in the world? (2024)

The human eye can be an amazing variety of colours and some are much rarer than others. Contrary to popular belief, you can't always predict the eye colour of a baby just based on the eye colour of two parents. There's a complex process behind the eyes we inherit and it can lead to some very unusual results.

While the pupil in the middle of our eye is almost always black, the coloured ring around it, called the iris, may be any number of colours. The most common iris colour is brown. That means more people on Earth have brown eyes than any other colour. But what is the rarest eye colour?

What’s the rarest eye colour in the world?

Green is reported to be the world's rarest eye colour. A 2014 American Academy of Ophthalmology survey found that just 9 per cent of people have green eyes, while 45 per cent have brown eyes, 18 per cent have hazel eyes and 27 per cent have blue eyes. However, 1 per cent of people in that survey said they had an eye colour that wasn't brown, blue, hazel or green.

Rarer still is the condition of albinism, a condition that affects an estimated 1 in 20,000, which can give people a red or pink eye colour. In these cases, the iris is clear, but the blood vessels inside the eye give them a pink or red appearance.

Can people have different coloured eyes?

People with another rare condition called heterochromia can have different-coloured eyes. For example, they may have one brown eye and one blue eye. The condition can also cause two separate colours to appear in the same eye, with part of the iris one colour and the rest another colour.

Most people with heterochromia are born with it and experience no other health issues or problems with their eyes. However, other conditions can cause heterochromia, including Horner’s syndrome and Piebaldism.

What is the rarest eye colour in the world? (1)

What determines your eye colour?

Your eye colour is determined by interactions between different genes that you inherit, and occasionally a mutation. The genetics of eye colour is a complex science that goes beyond simply what colour eyes the parents of a child have. For example, two parents with blue eyes can produce a brown-eyed baby.

Most of the time, people have the same eye colour for life. The eyes of a blue-eyed baby may darken in their first year or even their first few years, but they otherwise remain stable.

There are, however, various conditions that cause a person's eye colour to change. For example, cataracts can make the eyes appear cloudy. A change in eye colour can also occur through injury.

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What is the rarest eye colour in the world? (2024)

FAQs

What is the rarest eye colour in the world? ›

The second-rarest eye color is hazel, a mixture of brown and green with golden flecks. About 18% of Americans have hazel eyes, compared with about 5% of the world's population. And while violet eyes are a rarity, they're really just a blue hue, with light bouncing off the surroundings and turning the eyes violet.

What is the 2 rarest eye color? ›

The second-rarest eye color is hazel, a mixture of brown and green with golden flecks. About 18% of Americans have hazel eyes, compared with about 5% of the world's population. And while violet eyes are a rarity, they're really just a blue hue, with light bouncing off the surroundings and turning the eyes violet.

Why is green the rarest eye color? ›

Brown eyes have the most melanin, and blue eyes have the least amount of melanin. The amount of melanin in green irises is somewhere between blue eyes and brown eyes. This amount is the least common you can have.

What eye color is not rare? ›

What's the most common eye color? The most common eye color is brown. More than half of the world's population has brown eyes (some experts include amber as a shade of brown, too).

Do purple eyes exist? ›

Red and violet

Although the deep blue eyes of some people such as Elizabeth Taylor can appear purple or violet at certain times, "true" violet-colored eyes occur only due to albinism. Eyes that appear red or violet under certain conditions due to albinism are less than 1 percent of the world's population.

What is the prettiest eye color? ›

One thing these survey results have in common is that light-colored eyes — green, gray, blue, and hazel — are named as the most attractive eye colors in the world. In one large survey of more than 66,000 people, green was chosen as the most attractive eye color.

Are grey eyes rare? ›

Gray: The Rarest Eye Color

New classifications have determined that gray is its own standard color.1 (It was previously, and incorrectly, lumped in with blue.) With this change, gray now tops the list as the rarest eye color.

What is the rarest hair and eye color combination? ›

According to an article by evolutionary biology professor Mark Elgar, PhD, of the University of Melbourne, blue-eyed redheads are the absolute rarest, with 0.17% of the population having that combination of hair and eye color. So if that describes you, you're most likely one in a million—or more!

Are pink eyes possible? ›

2. Red/Pink Eyes. Two major conditions cause a red or pinkish eye color: albinism and blood leaking into the iris. Although albinos tend to have very, very light blue eyes due to a lack of pigment, some forms of albinism can cause eyes to appear red or pink.

Do red eyes exist? ›

Of the less common eye colors, pink and red eyes are considered to be the most unique in the world, giving new meaning to the word “rare.” Only one in every 20,000 people have a form of albinism, according to the National Institutes of Health, and even fewer have red-tinted eyes.

Who had purple eyes? ›

For those too young to remember, Elizabeth Taylor was a beautiful movie star. In her heyday from the 1950s to the 1970s — long before colored contact lenses were available — she was famous for her supposedly violet eyes. In fact, her eyes were dark blue but in a specific lighting, they looked violet.

What is the rarest hair color? ›

Natural red hair is the rarest hair color in the world. A mere one to two percent of people are born with auburn hair. The prevalence is slightly higher in the northern and western fringes of Europe, especially the British Isles (mainly Ireland and Scotland), than in the rest of the world.

What is the most popular eye color in the world? ›

The vast majority of people in the world have brown eyes. The second most common color is blue, but people can also have green, gray, amber, or red eyes. Some people have eyes that are different colors than each other.

Do grandparents' eye colors affect babies? ›

If you notice one of the grandparents has blue eyes, the chances of having a blue-eyed baby go up a bit. If one parent has brown eyes and the other has blue eyes, odds are about even on eye color.

What is the 2 most common eye color? ›

The vast majority of people in the world have brown eyes. The second most common color is blue, but people can also have green, gray, amber, or red eyes.

Are there only 2 true eye colors? ›

The iris has pigmentation that determines the eye color. Irises are classified as being one of six colors: amber, blue, brown, gray, green, hazel, or red. Often confused with hazel eyes, amber eyes tend to be a solid golden or copper color without flecks of blue or green typical of hazel eyes.

What is the rarest eye color in the world in 2024? ›

Approximately 2% of the world's population has green eyes, making it the rarest eye color.

How rare are grey eyes? ›

Gray eyes are also uncommon. It's estimated that 3% of the world's population has this eye color. Scientists believe that gray eyes develop in a similar way to blue eyes, but there is enough melanin in the front layer of the iris to make the eyes look gray rather than blue.

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