A stock image of a green-colored eye. "The rarity of green eyes is primarily due to complex genetic factors," an expert told Newsweek. iStock / Getty Images Plus ...

A stock image of a golden brown tabby cat with green eyes. A video of a cat with striking emerald green eyes has gone viral on TikTok. iStock / Getty Images Plus ...

In these cases, the eyes have trouble differentiating ... on Pinterest Robert James DeCamp/Getty Images If you have deuteranopia, you’re “green-blind,” which makes green colors look redder.

In contrast, green is one of the rarest eye colors ... Share on Pinterest Image credit: Rawpixel / Getty Images. The colored part of the eye is known as the iris, which contains pigments that ...