ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive Remember when the internet went absolutely nuts on the colour of a dress? The dress was blue and black. The original viral poster, Caitlin McNeill, later said it was a black and blue dress Blue White Floral Puff Sleeve Dress Peacocks & Pearls Lexington Here's why people saw the dress differently. The Science Behind the Dress The New York Times