The rarest eye color, and eye color percentages ranked

If the question means the rarest of the standard colors people list on a form, the usual answer is green, followed closely by gray. If gray is counted separately and strictly, it may come in below green. If amber is defined strictly as a single even gold with no green or brown zones, it may be rarer than either, but surveys rarely separate it.

If the question includes anything, red or violet eyes linked to albinism are the rarest, followed by complete heterochromia. Claims about naturally violet eyes in people without albinism, often attached to famous actresses, describe deep blue eyes that look violet in certain light and makeup. They are not a separate pigment or category.

No country records eye color in a census, and there has never been a global survey using one standard. The figures that circulate are pieced together from regional studies, driver license records in some places, online polls and older anthropology. Each source uses its own categories and often relies on people describing their own eyes, which is unreliable for hazel, amber and gray.

Definitions shift the numbers most. Hazel can be counted as brown, green or its own category. Amber is usually folded into hazel or light brown. Gray is usually counted as blue. Change those rules and green, hazel, amber and gray each move by several points. The ranking of brown far ahead and blue second is solid; the exact figures below that are not.

Rarity depends heavily on where you are. Brown is close to universal across most of Africa, East Asia and South Asia. Blue is common in northern and eastern Europe, with some Baltic and Nordic populations commonly reported as mostly light-eyed. Green is most frequent in northern and central Europe. Hazel and amber appear across Europe, the Middle East, North Africa, South Asia and the Americas.

In the United States, commonly cited estimates put brown at around 40 to 45 percent, blue at about a quarter, hazel at roughly 15 to 20 percent and green at about 8 to 10 percent. So an eye color that is rare worldwide can be ordinary in one country, and green eyes in Ireland or Scotland are far less unusual than the global figure suggests.

Part of the confusion is that the same eyes look different in different conditions. Warm bulbs push light eyes toward hazel or brown, cool daylight brings out blue and green, and clothing near the face reflects into the iris. Pupil size changes how much iris is visible, and camera white balance, flash and filters can shift a color by a whole category.

For a fair answer, check in daylight near a window with no flash, and look at the ring near the pupil and the outer edge separately; two different zones usually mean hazel. Check your color with the eye color detector on this site, which reads the iris on your device and corrects for lighting, so you know which category you actually fall into.