Rainbow 4 Square Nails

1. Paint one vertical half of each nail with two coats of white polish, such as Sally Hansen White On.
2. Paint the other vertical half of each nail with two coats of yellow polish, such as OPI Need Sunglasses?.
3. Paint the top quarter of each nail, above the white polish, with two coats of a cobalt polish, such as China Glaze Frostbite.
4. Paint the opposite top quarter of each nail with two coats of red polish, such as Essie Silken Cord.
5. Once dry, use a black nail art pen to separate each square of nail polish.
6. Finish with a clear coat.