According to information focusing on the four main types, the rarest eye color in the world is green.
Rarity Among the Main Eye Colors
When considering the four primary eye colors—brown, blue, green, and hazel—data indicates that green is the least common worldwide. This makes green eyes notably rarer than brown, blue, and hazel eyes.
The Rarity of Gray Eyes
While green is recognized as the rarest among the main classifications, some newer systems classify gray eyes as a distinct color that is also exceptionally rare, being considered almost as infrequent as green eyes.
Ranking of Eye Color Commonality
Globally, eye colors have varying levels of prevalence. Based on available data, the commonality of the four main eye colors ranks as follows:
| Eye Color | Commonality Rank |
|---|---|
| Brown | Most Common |
| Blue | Second Most Common |
| Hazel | Third Most Common |
| Green | Rarest (among the main four) |
This ranking highlights that brown eyes are the most prevalent globally, while green eyes are found least often among the traditional main categories.
