Optical illusion renews blue and black dress debate nine years on Express.co.uk How does a black and blue dress sometimes appear white and gold? The Brains Blog Here's why people saw the dress differently. Picture Of Viral Blue And Black Dress Also Shows White And Gold, And Twitter Is Arguing Over It Again Evie Magazine The White and Gold (No, Blue and Black!) Dress That Melted the Internet The New York Times The Science Behind the Dress Illusion Eyepic Eye Care