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 Spakle Silver Sequin Sparkle Beaded See through High Split Prom Dresses with Cape Glitter See Through Mini Dress Spaghetti Strap Sleeveless Transparent Shiny Diamond Short Dress Power Day Sale Is This Dress Blue And Black Or White And Gold? Here's What The Experts Say Fancy By Francesca Watson Dresses Long Gold Sparkling Glitter Gown Transparent Small Handmade Designer Sample Sale Color: Gold Size: S Pm What color is the dress? Why do some people see blue and black and some people see gold and white when looking at a single image of a dress? : r askscience