I was doing it a lot and thought I'll share it with you guys. At least those of you who haven't tried this yet :) Paint your nails in your fave (preferably dark) nail polish color. Then paint a matte top coat. Finally, add a thin strip of the same polish at the tips of your nails as id you would do in a french manicure! :)
In this picture, I used Essie "Little Brown Dress" nail polish, which I wear a lot lately.