Optical illusion renews blue and black dress debate nine years on Express.co.uk 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 Decision Making Biases in Group: Is the Dress White and Gold or Blue and Black? Applied Social Psychology (ASP) The Pennsylvania State University Happy 10th anniversary to the original photograph of "The Dress" and the subsequent internet debate over white and gold or black and blue : r popculturechat The Dress": Why People See White and Gold or Blue and Black What color do you see? Debate rages over color of dress photographed in rare light Carson City's Trusted News Source Since 1865