Grey eyes make up about 3 percent of the world's population—the second rarest eye color. There are also rare cases of violet and red-colored eyes. What Determines Eye Color? Your eye color is ...

Only about 2% of the world’s population has the rarest eye color in the world, which one is it? Veuer’s Maria Mercedes Galuppo has the story.

While the spectrum of eye colors is as vast as the human experience itself, one of them is the rarest eye color in the world that only a small percentage of the population possess.

What Is the Rarest Eye Color? Drum roll, please! The rarest eye color is green. Out of the conventional eye colors we'd think of—brown, blue, hazel and green—green is the rarest of the four.