Nail the right shade for your skin tone with this handy cheat sheet.

If your skin has a warm cast: Go for the gold

"Golden hues enhance yellow undertones, giving hands a warm glow and more youthful look," says New York City celeb manicurist Jin Soon Choi. (First row, left to right.)

1. Pearl power—YSL La Laque Couture in Doré Orfévre, $27;

2. Festive flecks—Nails Inc Special Effects in Belgrave Square, $15;

3. Luxe lacquer—OPI in OPI with a Nice Finn-ish, $10;

4. Subtle shimmer—Deborah Lippmann in Autumn in New York, $20;

5. 14k cool—Julep Color Treat in Mahima, $14;

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If your skin has a cool cast: Stick with silver

"The blue hues in silver shades counteract pink undertones, creating a flattering contrast that brightens your skin," Choi notes. (Second row, left to right.)

6. Cosmic color—Smith & Cult in Bang the Dream, $18;

7. Steel appeal—Nars in Amarapura, $20;

8. Frosted finish—Essie in Jiggle Hi, Jiggle Low, $9;

9. Precious metal—JinSoon in Mica, $18;

10. Sparkle on—Sally Hansen Big Glitter in Costume Glitters, $6; at mass retailers.

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