Traits

Orange to yellow colored eyes like the sunset

Purple to orange to pink colored eyes like the sunrise

Light blue eyes with a cloudy white center 

Shapes/symbols such as star, heart, skulls, crosses, etc other then a circle

Only available if you use Xanax Spell

2 pupils in the eyes

Only Ribinas in Corus Cavern and Desolated Cemetery have this trait

Very large pupils that cover most of the eye

Both irises that has a blob of a different eye color

Eyes that have no pupil and dark in color. It can have light to dark fading from the edges to the center.

Eye colors can change depending on mood/season/etc. Make sure to include eye references of all the colors it can change. Max 4 colors.

The eyes have at least 3 different colors that don't resemble an existing eye color.

The colored part of your eye is shaped. Can be any shape.

Both irises have a different color thats shaped like a ring in the center 

Hazel colored eyes