That’s because cats are born with relatively little melanin in their eyes. Some cats will maintain their blue eyes, or they might transition into shades of green, yellow, orange, copper, and hazel. Do Kittens Eyes Change Color - Petcha Cats Kittens Cutest Cat Whiskers You might hold out hope that your kitten will keep her baby blues, whatever her genetic heritage, but if she's still young, there's a chance that her eyes will change color. When do cats eyes change color . The age at which a kitten’s color changes: Between the age of three to eight weeks, kittens’ eyes begin to change to colors ranging from green, yellow and orange to amber, copper and brown. Some cats, like siamese, naturally have blue eyes, but most other breeds have yellow, green or even orange eyes. Are you curious to know when a kitten's eyes change color? Eye colour gradually changes colour from four weeks and up to ten weeks by that point, the iris has enough pigment to determine the fin...