Not since Monica Lewinsky was a White House intern has one blue dress been the source of so much consternation. (And yes, it's blue.) The fact that a single image ... background than the actual color.

Is the background ... image, which can change how they interpret and name the colors. If you think the dress is in shadow, your brain may remove the blue cast and perceive the dress as being white ...

Exactly eight years ago, the internet had a conniption over this image. Some people saw a blue and black dress, while others saw a white and ... "fills in" the color of the background (assumed ...