Photo finally solves the black and blue white and gold dress debate 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 What Color is this dress, Blue & Black or White & Gold? Perception Explained: Why We See things Differently., This 2015 photo broke the internet by revealing something wild about how your brain ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive