Why the dress is blue (but white to you) 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 Things destroying the internet Is this dress black & blue or gold & white? The original Eleven years ago today, an image of a dress posted on Tumblr, a social networking platform, ignited a global online debate over whether it was white and gold or blue and black. White And Gold Dress Black And Blue