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 ELI5:Why does this dress appear white gold to some people and black blue to others? : r explainlikeimfive Black Strapless Romper Whimsy & Co. The Dress Debate: Science Explains Why Some See Blue And Black And Others White And Gold Why the dress is blue (but white to you) So I searched up the black and blue dress : r opticalillusions