Photo finally solves the black and blue white and gold dress debate 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 Floral Print Notched Neck Butterfly Sleeve Shift Long Dress Blue Zone Planet Tadashi Shoji CGB24643L Long Embroidery Crepe Sheath Dress Illusion Design, Foldover Accent, Flutter Sleeves, Embroidered Details, Sweep Train Couture Candy