So, you’ve probably seen this picture floating around your social media feeds, and it has caused uproar.

When Tumblr user Swiked uploaded this image asking users to help her friends figure out if the dress is black and blue or white and gold. (It’s black and blue, and we’ll tell you why.)

Celebrities have taken to Twitter with much confusion on the debate:


So why are people seeing different colours in the dress?

It’s about how your brain is interpreting the light coming into your eyes.

“We are always making decisions about the quantity of light that comes into our retina,” said Cedar Riener, associate professor of psychology at Randolph-Macon College.

“In the case of the dress, some people are deciding that there is a fair amount of illumination on a blue and black (or less reflective) dress. Other people are deciding that it is less illumination on a white/gold dress (it is in shadow, but more reflective).” Riener added.

Each person brings a different set of experiences and expectations, as well as attention levels and particular eye movements. So, what you looked at just before you looked at the dress could influence the way your brain perceived it, Borghi added. “It could also be that you’ve seen dresses (or fabric) with the same texture or shape before, which could also affect your perception.” This general phenomenon is called priming.


But, people have scoped the internet and have found the real dress:



So, we can confirm, the dress is black and blue.

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