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 Infamous White and Gold Dress Turns 10 Today Here's why people saw the dress differently. The white gold or blue black dress: The widely published original Download Scientific Diagram 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