Human eye colour is one of the first things we notice when we meet someone. From deep, dark browns to icy blues and rare greens, our eyes owe their shades to a mix of genetics, geography and ancestry. Some eye colours are incredibly widespread, while others are so rare that only a tiny percentage of the population has them.
Below is a look at the ten most common eye colours found across the globe, how they form, and where you are most likely to see them.
10. Amber Eyes
Amber eyes have a warm, golden or coppery hue, often described as looking a bit like honey or light caramel. Unlike hazel, which usually has flecks or rings of green and brown, amber eyes tend to be a more solid, uniform colour.
They are relatively rare and are thought to be more common in people with roots in South America, parts of Asia and Southern Europe. The colour comes from a yellowish pigment called lipochrome combined with lower levels of melanin in the iris.
Some cultures associate amber eyes with mystery and individuality, partly because you simply do not see them every day.
9. Grey Eyes
Grey eyes can look steely, silver, or even slightly blue, depending on the light. They are often mistaken for blue eyes but typically have more of a smoky or cloudy appearance, sometimes with specks of brown or green.
Grey eyes are most often found in people of European descent, especially in Eastern and Northern Europe. Scientists think that grey eyes may result from a different way that the iris scatters light, rather than from a specific grey pigment.
The rarity and shifting appearance of grey eyes mean they have a long history of association with mysticism, folklore and storytelling.
8. Red or Pink Eyes
Red or pink eyes are not a common genetic eye colour in the usual sense. Instead, they are usually linked to forms of albinism. People with oculocutaneous albinism have very low levels of melanin in their skin, hair and eyes, which can cause the blood vessels at the back of the eye to show through, creating a reddish or pinkish appearance.
This is exceptionally rare worldwide and can be associated with visual problems like light sensitivity and reduced visual acuity. Organisations such as the National Institutes of Health offer accessible information on albinism and eye health.
Red or pink eyes have often been misunderstood, fueling myths and inaccurate portrayals in films and stories. In reality, they are simply an uncommon result of reduced pigment.
7. Violet Eyes
Violet eyes are so rare that some experts debate whether they truly exist as a separate colour, or if they are an optical effect of light interacting with blue or very pale eyes. However, under certain conditions, very light blue eyes can appear violet, particularly under specific lighting or with certain makeup looks.
There is no single region of the world that is especially known for violet eyes. Instead, they appear sporadically, usually in people with very fair skin and light hair. The late actress Elizabeth Taylor is often cited in discussions about violet eyes, even if photographs and lighting may have enhanced the effect.
Real or optical illusion, the idea of violet eyes continues to fascinate and appears frequently in books, films and fantasy art.
6. Black Eyes
Strictly speaking, there is no true black eye colour. What we commonly call black eyes are actually very dark brown eyes with such a high concentration of melanin that the iris appears almost black.
Very dark brown eyes are common in many parts of the world, particularly across Africa, Asia, the Middle East and Latin America. The high melanin content helps protect the eyes from strong sunlight, which is helpful in regions with intense UV exposure.
Because dark eyes are so common globally, they often form the baseline against which lighter, rarer colours are compared.
5. Hazel Eyes
Hazel eyes are multi-toned and can contain shades of brown, green and sometimes gold. They might look greenish in one light and browner in another. A ring of colour around the pupil, often a golden or copper hue, is quite common.
Hazel eyes are most frequently seen in people of European descent but also appear in populations with mixed ancestry. The colour variation is thought to be due to a combination of melanin distribution and the way light scatters through the iris.
Because hazel eyes seem to change colour with surroundings and clothing, they are often described as one of the most interesting and lively eye shades.
4. Green Eyes
Green eyes are among the rarest of the mainstream eye colours. Estimates suggest that only a small percentage of the world’s population has naturally green eyes. They are most common in people from Northern and Central Europe, especially in countries like Ireland and Scotland.
Green eyes form from a relatively low amount of melanin, combined with light scattering and a yellowish lipochrome pigment, which together create the distinct green appearance.
Because of their rarity, green eyes have often been given a mystical or magical reputation in folklore and popular culture.
3. Blue Eyes
Blue eyes are the result of low melanin levels in the front part of the iris. Rather than a blue pigment, the colour comes from the way light is scattered, similar to the way the sky appears blue.
Blue eyes are most strongly associated with people of European descent and are particularly common in Northern and Eastern Europe. Population genetics studies suggest that many blue-eyed people share a distant common ancestor who carried the mutation that produced this trait.
From myths about sea gods to modern film stars, blue eyes have had a powerful cultural presence. If you enjoy unusual traits and genetics, you might also like a list such as Top 10 Amazing Facts About the Human Body on The Very Best Top 10.
2. Dark Brown Eyes
Dark brown eyes are one of the most common eye colours on the planet. High levels of melanin in the iris give the eyes a deep, rich brown shade. This strong pigmentation offers some protection from the sun, which is helpful in hotter climates.
You will find dark brown eyes in high frequencies across Africa, Asia, the Middle East, Southern Europe and Latin America. Because brown is genetically dominant, it tends to appear more often in children when parents have different eye colours.
Dark brown eyes are so widespread that for many people around the world, they are the default eye colour, even though there is still a lot of variety in shade and brightness.
1. Light Brown Eyes
Light brown eyes sit somewhere between dark brown and hazel, often appearing softer or warmer in tone. They may have golden or caramel highlights but lack the distinct green or multi-toned pattern of hazel eyes.
Light brown is considered extremely common globally. As populations mix and more people have ancestry from different regions, light brown eyes appear even more frequently. They act as a kind of middle point between very dark eyes and lighter shades like green or blue.
This eye colour is especially widespread in regions with a history of migration and cultural blending, giving it a strong global presence.
The Science Behind Eye Colour Variation
Eye colour is mainly determined by the amount and distribution of melanin in the iris, along with how light is scattered by the eye’s structures. Several genes play a role, rather than a single simple gene pair. That is why two brown-eyed parents can sometimes have a blue or green-eyed child, depending on the combination of genes they carry.
As research has progressed, scientists have discovered that eye colour inheritance is more complex than the old “one gene” school explanations. Trusted resources like the Encyclopaedia Britannica and the UK’s NHS eye health pages offer accessible overviews of how eye colour and eye health connect.
As global travel and intermarriage continue, eye colours will keep blending, which may make some shades more common and others even rarer over time. It is a visible reminder of how interconnected human populations have become.
Explore More Colourful Top 10s
If you enjoy learning about the science and stories behind everyday features like eye colour, you might also like other visually themed lists on The Very Best Top 10, such as Top 10 Most Beautiful Natural Phenomena in the World or even something a bit quirkier like Top 10 Unusual Things That Are Green.
From the soft glow of light brown to the striking rarity of green and violet, eye colours tell a story about our shared human journey across continents and generations. Each shade reflects a different blend of ancestry, environment and genetics, turning the human gaze into a living map of global history.
What eye colour do you have, and where in the world are you from? Share your eye colour and location in the comments, and let us know if you have spotted any particularly rare shades among your family and friends. If you enjoyed this look at the world’s most common eye colours, please share it on social media and explore more fun and fascinating lists on The Very Best Top 10.