Popsugar Beauty Beauty Tips Rainbow Hair Color Dye Ideas 15 Rainbow Hair Trends That Dominated Salons in 2015 December 30, 2015 by Emily Orofino View On One Page Photo 10 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 10 Pumpkin Spice Add a bit of spice to your strands with delicious gingerbread-y hues. To get this look, ask your colorist for warm, coppery undertones. Previous Next Start Slideshow Beauty TipsBeauty TrendsHairBest Of 2015Hair Color