15. The Jewel-Toned Lacquer — Everyone expects you to rock red or gold on your tips, so throw them for a loop by picking a bright and pretty jewel tone. Amethyst, sapphire, and teal hues look particularly fetching, especially when done with a metallic finish or accented by a few swipes of sheer glitter layered over top.

Illamasqua Nail Varnish Duo, $25, available at Sephora; Sephora By OPI Nail Colour in What Film Noir You In?, $9.50, available at Sephora.