Casual Girl: Dark Worn-out Jeans + black lace thing + belly-free top + sandals

So she is very confident of herself without being arrogant. Her attitude is contagious to those around her. Because of this her beauty is more than skin deep.

She wears a blue worn-out hipster jeans which seems to be painted on her body and a belly free top which more likely is some kind of bikini as it only covers her medium-sized breasts.

She is the casual type of girl, but she doesn't look like the girl next door.
Her slender shape seems to be perfect and you like her clothes.
Her face is cute, but you notice that there is still something missing: Her eyes.
You take some time to consider and determine that her eyecolour should be ????