Grey. Grey eyes are a curious case, and extremely rare. Grey eyes are similar to blue in that they contain no melanin, but they do contain excess collagen deposits in the stroma that interfere with Tyndall scattering, blocking the appearance of blue hues. (That's the current theory anyway).
Thereof, are amber eyes rare?
True amber eyes are extremely rare—they are at least as rare as green eyes or perhaps even rarer. Amber eyes are completely solid and have a strong yellowish, golden, or russet and coppery tint. They can also contain a small amount of gold-ish gray.
What are amber eyes?
The colored part of the eye is called the iris. Irises are classified as being one of six colors: amber, blue, brown, gray, green, hazel, or red. Often confused with hazel eyes, amber eyes tend to be a solid golden or copper color without flecks of blue or green typical of hazel eyes.
Where are amber eyes most common?
Silver eye color is most common in eastern European countries, and is one of the rarer eye colors worldwide. Amber Eyes. Amber eyes show off a yellow-copper tone, which results from the yellow colored pigment lipochrome. Amber eyes are very rare worldwide, and are most common in Asia and South American countries.