Here's why people saw the dress differently. The Dress of viral internet fame. Actual colour black and blue on the Download Scientific Diagram 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 The medical truth behind #TheDress. And yes, it makes sense. TheDress one year on eight things we learned from the viral phenomenon Social media The Guardian TheDress couple: 'we were completely left out from the story' BBC News