In 2015, a photograph of a dress went viral, dividing viewers over whether its colors were blue and black or white and gold. This optical illusion highlighted differences in human color Eleven years ago, a single photo posted on Tumblr sparked one of the biggest internet debates of all time. The dress instantly divided the world, some swore it was white and gold, a woman in a gold dress on a black background 67867024 Vector Art at Vecteezy Amarra Black Party Dresses Black Evening Gowns AMARRA