Article: If you have fair skin, bright colors will look nice on you. Tanned skin (Latin, Indian), purples and turquoise looks very nice. Brown skin, you're lucky that you can pull off almost any color in the world. Of course, feel free to wear what you like, even I don't follow the color rule sometimes. A ring, bracelet, or earrings can spice up an outfit.

What is a summary?
Wear what you think you look best in. Make sure it is figure-flattering, and isn't too tight or too baggy. Be proud if you have a larger chest than other girls, but don't show off too much. If you have plain and boring clothes, wear some jewelry with it.