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 Sparkling Royal Blue Mermaid Blue Sparkly Prom Dress with Gold Sequins and Beaded Crystal Embellishments for Black Women Perfect for Birthday White and gold or blue and black what colour is the dress? An eyewitness gives a definitive answer The Independent The Independent The Dress white & gold or blue & black? Everything else Quarter To Three Forums