Colourpop Discount Codes - 20% OFF in May 2022 - CNN Students receive a 10% off Colourpop coupon code on all orders. All you have to do is register with UNiDAYS to redeem this discount. Visit UNiDAYS.com, and in the search bar, type in, “Colourpop.” From here, you can access the offer by creating an account. This offer isn't like your normal coupon code, as you have to redeem it through ...