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 Black And Gold Dress Illusion Original The Dress Illusion Original Blue Black White Gold Dress Striped Popularity of the 'the dress black blue white gold' meme correlates with Hot days in Paris (r=0.84) ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive