Pencil liners are also effective. If you've worn out your brown and black eye pencils to nubs, you might be in a makeup-color rut. Try easing your way out with navy liner, like L'Oréal Paris Double Extend Eye Illuminator Eyeliner in Black Sapphire
—it makes eyes appear whiter (read: bigger).
As for shadows, vibrant shades such as aqua, silver, or pink look best on bare lids "with a lot of mascara and a groomed brow," says Sobel. Lavender eye shadow is universally flattering and brightening. And a dark color blended into the outer corners is perfect for an evening look. Just avoid matte formulas, since they tend to look dated and don't reflect light.