The Best Brown Eyes With Light Ring Around Pupil References. A common form of central heterochromia shows up as predominantly blue eyes with a smaller ring of brown in the center streaking outward. Most people are born with limbal rings, but as you age, your limbal rings typically become less.

Web we also know that eye color determination involves two pigments: But they happen in two different parts of the eye. Eye color results from the amount of pigment (melanin) you have in the front layer (stroma).