Can you tell the colour of the hearts? Clever optical illusion is stumping the whole web(and we guarantee you'll get it wrong too)

　　你能辨别这些心的颜色吗?巧妙的视觉错觉在网上火了(我们保证你也会犯错)。

　　Yet another optical illusion has popped up on the internet proving how little we know about how our brains work. These two hearts in the image appear to be totally different colours. One appears purple while the other is a bright orangey red.However, the two shapes are in fact exactly the same hue - a vivid pink.

　　又一组视觉错觉照片在网络上出现，这证明了我们对大脑工作的方式了解的少之又少。这两个心的图案看起来颜色完全不一样。一个是紫色另一个是亮亮的橘红色。然而，事实上，两个图案是一个颜色，亮粉色。　　

　　These surrounding blue bars make the heart seem purple while these surrounding green bars make the heart appear orange.

　　周围蓝色的条形图案使得心型图案看起来呈现紫色，如果条形图案是绿色的话，心的颜色就是橘色。

　　This gives us a vital clue to how our vision works. It suggests that we perceive an objects colour not based on its actual colour but on how it compares to the surrounding colours.

　　这是一条关于大脑如何运作的重要提示。这表明我们不是基于物体的本来颜色去识别颜色，而是根据物体和周围颜色的对比来识别的。

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