what is the colur of the dress??
The photo sparked confusion, anger and fascination, because despite the dress definitely being blue and black, to many, it appeared gold and white.
"The dress" is a photograph that became a viral Internet meme on 26 February 2015, when viewers
disagreed over whether the colors of the item of clothing depicted were black and blue or white and gold. The phenomenon revealed differences in human color perception
The dress illusion presented a rare opportunity, as the illusion was related to color. Color is the wavelength or frequency at which light is reflected off a surface. However, the dress surely reflected the same amount of light for everyone, so it was clear that the difference arose later, once an individual’s brain began processing the wavelengths.
What is the original color of the dress?
The dress itself was confirmed as being a royal blue "Lace Bodycon Dress" from the retailer Roman Originals, which was actually blue-and-black in colour;[3][4] although available in three other colours (red, pink, and ivory, each with black lace), a white and gold version was not available at the time
WHY??
A new study sheds light on why the dress appears differently to different people - and it's all to do with what time we get up in the mornings.
They found that because the photo was taken in an ambiguous light, people's brains made different assumptions about what color it was - which he believes depends on whether they were a night owl or a morning lark.
Night owls - who get up late and stay up late - get less daylight exposure, so their brains believed it was in dim daylight and saw it as blue and black.
Some of other example's....
1.The square at the center and square at the top right are the same shade, but we judge wrong, as we expect the pillar’s shadow to make it appear darker.
2.The duck-rabbit, described in Ludwig Wittgenstein's Philosophical Investigations
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