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 Dress Illusion WHITE & GOLD BLUE & BLACK YouTube Remember "The Dress Illusion"? The dress was a viral phenomenon on the Internet in 2015. Viewers of the image disagreed on whether the dress depicted in a photograph was coloured black and blue, 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