Brown to Hazel-ish

So apparently my eyes are changing colors. Faye told me a while back I had green in my eyes, but I honestly didn't pay attention. After Aprils comment I decided to take a REALLY close up picture of my eyeball (yes, i'm getting wrinkles, blah!). Lo and behold, I do. Weird right? How do your eyes just change color anyway? I was meaning that Phoebe's eyes are green and ours all brown. I just hope they stay that color, I love em.