Why do you have blue eyes when you're born?

Everyone has blue eyes when they are born. Its just your natural color when you are born. Then when you get a little bit older, your eyes either change color like brown, hazel, green, Green-blue. Your eyes change color because of genes. And traits. But if your eyes were meant to stay blue from genes then your eyes are blue. Most people have brown eyes. Also blue too. Its not a very good chance you will get green-blue eyes.