I've been thinking about "the dress" for 10 years. Here's what I've learned. How does a black and blue dress sometimes appear white and gold? The Brains Blog White and gold or blue and black what colour is the dress? An eyewitness gives a definitive answer The Independent The Independent What do you see: A gold and white dress or as a blue and black? This image clearly shows a dress with stripes. The wavelengths and lighting are unusual in that they