How "The Dress" Became an Illusion Unlike Any Other Scientific American The dress' went viral 10 years ago and taught us the science of color Zapakasa Women Dusty Blue Long Bridesmaid Dress Corset A Line Spaghetti Straps Wedding Guest Dress With Criss Cross Back 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