WHY WE LOVE IT: Rich, sophisticated, and sometimes a little bit edgy, darker shades reflect light better than any other color, so hair in these deep tones seems the most healthy and glossy.
WORKS BEST FOR: Though they can be flattering on fair and dark skin alike, deep brown hues look natural on people who have some warmth to their skin. If you are extremely pale, you may find this shade too severe, says Fergie's colorist Tracey Cunningham.
MAKE IT YOUR OWN: If you have olive or dark skin, you will look great in deep mahogany shades. Those with fair skin tones should choose warmer browns, adding a few highlights so their complexion doesn't look washed out.Read MoreLess