Turkish Van Kedisi is known for its soft white coat and striking yellow eyes. Photo Credit: Pexels The Khao Manee is a rare cat breed from Thailand, sometimes with one yellow eye and one blue eye.

The presence of two pigments called eumelanin and pheomelanin determines what eye color a cat gets, according to the study. Brown eyes have more eumelanin; yellow eyes have more pheomelanin ...