The colour constancy explanation for #thedress. The image formed on the Download Scientific Diagram This explains how the blue black white gold dress illusion was possible. But it doesn't explain why some people saw it one way and some saw it the other, and no one seemed to see The Color Theory Behind The Dress: White and Gold? Blue and Black? Dusty Blue Long Beaded Prom Dress with Sheer Corset Dusty Blue 3XLarge Optical Illusion White Gold Dress Debate The Dress Debate: Blue Or Black? Settle This Once And For All! 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,