The Definitive Guide to Today's 'the Dress' Think Pieces Is This Dress Blue And Black Or White And Gold? Here's What The Experts Say White and gold or blue and black? What colour is the dress? London Evening Standard The Standard This explains how the blue black white gold dress illusion was possible. But it doesn't explain why some people saw it one way and some saw it the other, and no one seemed to see Was the dress gold and white or blue and black? NSF U.S. National Science Foundation