Gray Eyes - All About Vision

Gray eyes are very rare and can appear dark gray, gray-blue or gray-green in color. Gray eyes share some traits and may develop the same way as blue eyes.
Gray eyes are very rare and can appear dark gray, gray-blue or gray-green in color. Gray eyes share some traits and may develop the same way as blue eyes.

Does Eye Color Affect Vision?

The World's Population By Eye Color - WorldAtlas

Which Eye Colors Are the Rarest? - All About Vision

Why do authors refer to light blue eyes as grey eyes? I have never seen anyone with grey eyes. - Quora

Eye Color and You

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Eye Color Personality

How Many Eye Colors Are There?, Eye Color Guide & Percentages

What is the level of rarity for grey blue eyes? - Poe