Sectoral (or partial) heterochromia: Here, a single eye displays multiple shades. Part of the iris may be a different color than the rest. For example, a green iris with a hazel patch.

“Brown eye color is thought to be dominant to blue eye color, similar to the mixing of paint,” she said. ... Yes, they absolutely can have different eye colors, said Stevens.

Most babies are born with blue eyes, but that eye color may not last long. During the first year of your baby’s life, you’ll see their eyes reveal a unique shade. Here’s what you need to ...

If that sounds like a lot, consider that between 70% and 80% of people, or about 6.4 billion people, have brown eyes—by far the most common eye color on the planet.