In 2015, a photograph of a dress went viral, dividing viewers over whether its colors were blue and black or white and gold. This optical illusion highlighted differences in human color perception ZAPAKA Women Sparkly Black Golden Plus Size Prom Dress with Streamer V Neck Appliques A Line Long Formal Dress The Dress: Blue & Black? White & Gold? Cease & Desist? CNN Photo finally solves the black and blue white and gold dress debate Is That Dress White and Gold or Blue and Black? (Published 2015)