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 Back in 2015, a photograph of a dress went viral, dividing people over whether its colors were blue and black or white and gold. KK FAM what color is the dress? Colour Blue And Black Yellow And White Dress Dress Colour Yellow Blue And Black Or White ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive