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 The Internet is obsessed with one question: Is this dress gold or blue? Black And Gold Dress Optical Illusion Color White Blue Dress Illusion Color Illusion Optical Illusion ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive