Eye color - Wikipedia

Martin scale - Wikipedia

Do most Europeans and their descendants have a mix of all natural hair colors (red, blonde, brown, black) and natural eye colors (blue, green, brown) from 1,000s of years of intermixing?

Eye color - Wikipedia

Is the blue/green eye color considered a European trait? - Quora

900+ Eye Aura ideas beautiful eyes, eyes, cool eyes

Can someone be born with yellow eyes? - Quora

How do humans get yellow-green eyes? - Quora

Is it true that green eyes don't actually exist but are just blue eyes with yellow specks that make them appear green? - Quora

Are there any eye colors that exist besides brown, blue, green, and grey? - Quora