Whether you saw the above dress as blue and black, or white and gold, someone has almost certainly ... look at the dress on a page with a white background. Then head to a dark room for half ...

On 25 February 2015, an image of a striped dress that appeared to be white and gold in color to some viewers, but blue and black to others, began to circulate on the Tumblr social blogging network.

Have you seen this dress? Depending on whom you ask, it might be black ... white/gold dress (it is in shadow, but more reflective)." In other words, our individual sensitivity to the blue ...

Depending on whom you ask, this dress might be black ... on a white/gold dress (it is in shadow, but more reflective)." In other words, our individual sensitivity to the blue background lighting ...

Without you having ... on the white background as blue," Conway says. "But on the black background some might see it as white." He even speculated, perhaps jokingly, that the white-gold prejudice ...

But we can reveal the dress which is by British brand Roman Originals is actually black and blue. Although it's available in numerous colour ways, none of those are gold and white. If you want to ...

Some people see a white and gold dress ... ambient light. If you think the dress is being washed out by bright light, your brain may perceive the dress as a darker blue and black.