Here's why people saw the dress differently. Is That Dress White and Gold or Blue and Black? The New York Times This Dress is Blue and Black, Right? What Colors do You See? Gold White and Blue Black Dresses Inspired By THE Dress 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 Decision Making Biases in Group: Is the Dress White and Gold or Blue and Black? Applied Social Psychology (ASP) The Pennsylvania State University