ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive @thetinderblog Ten years ago, a photo of a dress posted on Tumblr sparked a massive debate: was it blue and black or white and gold? Millions argued online, and even celebrities joined in. Scientists 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 Where can you even find a nice white and gold dress these days : r pics