Optical illusion renews blue and black dress debate nine years on Express.co.uk ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive What Do You See? Asian Scientist Magazine Decision Making Biases in Group: Is the Dress White and Gold or Blue and Black? Applied Social Psychology (ASP) The Pennsylvania State University The True Colors of the Black and Blue Dress Revealed