Rainbow hair came and went. And lets just say a lot of people been ready to hop on another colour trend. Insert the Gemstone Haircolour. The trend has many different origins. Mainly because Rose Quartz was one of the Pantone colors of the year, so it's a natural progression from the pastel-hair trend. Amethyst and Purple are also here to stay. (Thank you Nicole Richie and Kelly Osbourne.) But also blue's and even greens can be used for this trend. (Kylie Jenner anyone?) The key to pull off a colour like this is to make sure that they're more different hues of the color combed back in the hair. This way your look can go from DIY to Hell Yeah real quick.