How is it with other colored cats their eyes are green but when comes to orange orange?

The eye colour of cats is not directly determined by their coat colour. The green eye colour that is commonly associated with orange (ginger) cats is due to a genetic mutation called the "copper gene". This gene leads to an increased production of melanin in the iris of the eye, which results in a green or greenish-gold hue. However, it is essential to note that not all orange cats have green eyes. Some may have blue, hazel, or even yellow eyes.

On the other hand, many other coat colours in cats, such as black, brown, or white, can also be paired with green eyes, depending on the cat's genetics and overall eye pigmentation. So, while green eyes are frequently seen in orange cats, they are not exclusively associated with that coat colour.