The difference between a deep plum and a rich wine? It’s all in the undertone. Dark eggplant shades like the Nails Inc.'s Richmond Terrace
) and MAC’s Gadabout Girl
starting in late August) have cooler hints mixed into the formula, making them a mysterious counterpart to a warm aubergine. We also love Bobbi Brown’s Twilight Night
), a sparkling amethyst perfect for a night out.