Date :Friday, February 27th, 2015 | Time : 11:53 |ID: 8859 | Print

What color is the dress? Blue and black or white and gold,

SHAFAQNA – Dress kept in internet sees as Blue and black for some and others see its as  white and gold .The dress became an internet sensation after being posted on Tumblr with the world debating its colour and swiftly sold out within minutes. The sellers are understandably quite thankful for the extra publicity and have decided to please both sides by creating a version in white and gold.The scientific say , The problem is that the brain has to avoid seeing the colour of the light reflecting off an object, and just see the colour of the object itself. If it sees a white shirt bathed in yellow sun, for instance, it needs to subtract the yellowness of the sun so that it can see the whiteness of the shirt – and it normally does. The same kind of system is found in cameras, and is called white balance. That allows the camera to do the same thing the brain does – deciding what should be white, within the image, and adjusting the colours accordingly.

But the dress – blue and black, or white and gold – somehow confuses this system, it seems. Some brains look at the dress and it and attempt to discount the blue bit – something like the ambient light of night time. Others try and get rid of the effect of the gold part, because the brain sees it as the colour of a sunny day, and sees the dress as blue and black. That allows people to see both different colours, at different times, depending on the brightness of the room and the background of the page that the dress is presented on. Those things can encourage the brain either to see the ambient light as daylight-coloured or night-coloured.

Source : News Agencies

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