ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive The gold blue dress controversy: Challenging Assumptions TheDress couple: 'we were completely left out from the story' BBC News Jenna Bush Hager Wears Viral Internet Dress 10 Years After Debate Us Weekly 10 years since THE DRESS blew up Internet. Two thirds of people saw white and gold. It's an optical illusion caused by weird lighting and an overexposed background. It Is actuallylly blue and black. #thedress Eleven years ago, a single photo posted on Tumblr sparked one of the biggest internet debates of all time. The dress instantly divided the world, some swore it was white and gold,