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 Elegant Black Deep V Neck Cut Out Open Back Maxi Dress with Bell Sleev EDITE MODE Open Back Strapless Corset Shimmer Spandex Column Dress Camille La Vie ZAPAKASA Women Black and Blue Satin Long Formal Dress with 3D Flowers One Shoulder Mermaid Prom Dress with Ruffles Navy Blue Warm Cotton Waffle Fit and Flare Short Dress 28" Petite (5'1" and below) Tori Mini Dress in Ocean Blue Lady Black Tie Large