How many colors in this optical illusion?


Do you know your mind can trick you? Take a look at the above picture. Can you see the blue color? If you do, let us tell you that it’s not there. Now you probably would be worried and planning to rush to your doctor. Relax!

A psychology professor at Ritsumeikan University in Japan, Akiyoshi Kitaoka, is a professional in creating such optical illusions. These illusion made people doubt their eyes to see things clearly and make them have a second look at it.

The selected Kitaoka’s illusions, uses different colored segments to form a vibrant swirl pattern that looks pink, orange, blue, and green, but in reality there is no blue in the image at all.

According to Kitaoka’s website, the light green and light blue spirals have the exact same color values: R=0, G=255, B=150. But our brains process the spirals as different colors depending on the hues that segment them.

The light green stripes in the “blue” swirls are sandwiched between pink stripes, which make the green appear blue, while the green stripes in the green swirls are flanked by orange stripes.

Kitaoka used the same idea on a series of hearts – known as the ‘Munker-White illusion’.

-File Photo

-File Photo

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