Eye color often sparks conversation—it’s a feature that can enhance someone’s beauty and charm. But beyond appearance, scientists suggest that eye color might also offer clues about personality.

A study by researchers at Örebro University in Sweden explored how the patterns in our irises relate to our character. They discovered that the same genes that shape our eye color also influence the frontal lobes of the brain, indicating that people with similar eye colors might share certain personality traits or behaviors.

Here’s a breakdown of what your eye color might reveal about you:

Dark Brown Eyes

Those with deep brown or nearly black eyes are often natural-born leaders. This eye color is among the rarest, and people with it tend to come across as mysterious and reserved. According to a study published in Current Psychology, people with darker eyes are often seen as more agreeable.

High levels of melanin not only darken the eyes but also help brain cells communicate faster—so quick thinking could be one of your strengths. The journal Personality and Individual Differences notes that people with very dark eyes typically drink less alcohol compared to those with lighter eyes.

Brown Eyes

Brown-eyed individuals are usually known for being loyal, respectful, gentle, and dependable—but they aren’t pushovers. A study in Chronobiology International found that people with brown eyes tend to sleep two hours less than those with lighter-colored eyes and often struggle with waking up early.