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 ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive Navy Argyle Men's Dress Socks Optical Illusion Dress White And Gold Golden White White Gold Vs Black Blue Dress Original Optical The Alvarados A Blue, Black and White Striped Sock Over The Calf Is the dress blue or gold? The phenomenon originated in a photograph of a dress posted on Facebook in 2015. The dress was black and blue, but the conditions of the photograph