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 so we know the dress was black and blue BUT that's not what i'm here to discuss : r opticalillusions This image continues to divide the world: What color do you Blue and black or white and gold? It's been a full decade since "The Dress "took over the internet, yet Photo finally solves the black and blue white and gold dress debate