Vintage 70s Dorothy Perkins white maxi dress with a Depop In February 2015, a photo of a striped dress posted online unexpectedly turned into a worldwide argument. Some viewers swore it was blue and black, while others were convinced it was white How does a black and blue dress sometimes appear white and gold? The Brains Blog Dorothy Perkins Women's Ditsy Print Ruched Cuffs Midi Dress Petite, Blue, 4 US : Amazon.co.uk: Fashion Here's why people saw the dress differently. Dorothy Perkins Women's Blue Dresses ShopStyle UK