ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive Heidi Klum Nearly Violates Cannes Rules With Her Optical Illusion Gold Corset Gown Champagne Pretty Sequin Dress with Deep V Neck Glitter Maxi Dress with Sheer Tulle Train Plus Size Size 16 Champagne Black Glitter Tassels Sheer Ankle Length Designer Prom Dress 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