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 actual dress was black and blue. The confusion came from how lighting and color perception tricked people's brains, making some see it as white and gold. It became a viral example of how human vision can interpret colors differently under certain Color scientists explain the dress that went viral RIT ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive