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 ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive The Dress Debate: Science Explains Why Some See Blue And Black And Others White And Gold Old People Saw White And Gold, And More Insights From A 23andMe Study Of #TheDress Fast Company Science explains how time spent outdoors colors your view of #thedress Los Angeles Times Short sleeves Rose Gold Sequin Homecoming Dress with Tulle Skirt loveangeldress