Interestingly, older people and women were more likely to see the dress as white and gold, as opposed to blue and black.
Those who saw the dress as a blue-brown color probably assumed neutral lighting, the researchers said. Those who saw it as a blue-black shade assumed a warm, artificial light, so their brains ignored longer, redder wavelengths. People who saw the dress as a white-gold color probably assumed it was lit by daylight, so their brains ignored shorter, bluer wavelengths. Some people reported their perception of the colors flipped after being tested again.Īccording to Conway's team, the differences in color perception are probably due to assumptions the brain makes about the illumination of the garment so that it will appear the same under different lighting, a property known as color constancy. Of those surveyed, 57 percent described the dress as blue/black, 30 percent described it as white/gold, 11 percent as blue/brown and 2 percent as something else. In one study, Conway and his colleagues asked 1,401 people (313 of whom had never seen the image of the dress before) what color they thought the garment was.
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