Medically reviewed by Johnstone M. Kim, MD Key Takeaways Gray and green eye colors are the rarest in the world.Eye color is ...

Eyes, those fascinating windows to our souls, are also incredibly varied. From a vibrant blue to a warm brown, each shade seems to have its own story to tell. Of all the colors that exist, one shade ...

“The eyes are the window to the soul,” notes a timeless quote. And while your eyes also bring the world your way, the origins of eye color are fascinating and even mysterious. To help lay out the ...

What determines the shade of your peepers? Experts weigh in on the rarest eye color in the world—and the genetics behind it. It’s said that our eyes are the mirrors of our souls, so it makes sense ...