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 Understanding the Black and Blue Dress Illusion The dress is black & blue, but here's why you can't tell TJ Kelly Neuroscientists Explain Discrepancy Behind "The Dress" Illusion Photo finally solves the black and blue white and gold dress debate Designer Black Wedding Dresses On Sale Luxe Redux Bridal