Not sure if you want your nails to be pink or purple? Get the best of both worlds with OPI GelColor Pompeii Purple 0.5 oz. Depending on the light, this bright, pearlescent shade shines with a flirty pink or sultry purple. Along with giving nails an unbeatable hue and shine, this formula is designed to last up to three weeks and is chip-resistant. It goes on smooth and cures under 30 seconds with an LED light.