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 perception Color Of 'The Dress' Debate: White & Gold Or Blue & Black Twitter Decides Hollywood Life 10 years ago today, this dress was posted online, turning into a viral phenomenon. Viewers couldn't decide if the dress was blue and black, or white and gold. It was later confirmed Is This Dress Blue And Black Or White And Gold? Here's What The Experts Say What I never understood was if some folk saw the original dress as white gold & some saw it as black blue then how do side by side images like this exist showing them as two