The dress

Figure 6.20 illustrates this point with the dress color illusion. It was worn by Cecilia Bleasdale and became an Internet meme when millions of people quickly began to argue about the color of the dress. Based on the precise combination of colors and lighting conditions, its appearance fell on the boundary of what human color perceptual systems can handle. About $57$% perceive it as blue and black (correct), $30$% percent perceive it as white and gold, $10$% perceive blue and brown, and $10$% could switch between perceiving any of the color combinations [161].