Scientists have FINALLY explained why people couldn't agree on the colour of 'that dress' White and Gold Dress Illusion Explained: Why Colors Differ Styling Mania How "The Dress" Became an Illusion Unlike Any Other Scientific American The world's most famous optical illusion turns 10 years old Creative Bloq 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 10 years ago, a simple photograph of a dress sparked a global debate unlike anything seen online before. Posted in 2015, the image caused people to argue intensely over whether the dress