the brain "invents" the colors by optical illusion

On the image, it seems that they are of three different tones. However, all are of one color.

An optical illusion that challenges our ability to correctly identify the colors of various objects placed on a multicolored background He was virally shared on Twitter and received about 190,000 "I like".

The publication shows spheres that appear to have a yellow, red or purple color. However, in reality, they are all light brown, says David Novick, professor of engineering at the University of Texas (United States) and author of the picture.

Illusion of tricolor confetti with spheres, which appear yellowish, reddish and purple, but which actually have exactly the same basic color, light brown (RGB 255,188,144). Reduce the image increases the effect. The original png file is located at https://t.co/6r2PMbLMJc. pic.twitter.com/ro1zpVxLm2

– David Novick (@NovickProf) June 14, 2019

The effect – known as "the illusion of Munker-White" – is due to the green, red and blue horizontal lines that pbad in front of or behind the spheres, causing the brain to misinterpret the color.

Some users have created animated versions of this illusion, in which you can see a similar effect with moving circles, says RT.

The circles are all the same shade of gray! I've created an animated version of the confetti illusion in three colors. #OpticalIllusion #loop @ NovickProf pic.twitter.com/ImtxfeTvx8

– Frank Force (@KilledByAPixel) June 15, 2019

Experiment with Monker's illusion to find the optimal shade of gray. Each of these circles is a constant shade of gray. #OpticalIllusion

Which circle is the illusion the strongest for you? pic.twitter.com/10i86XPrm6

– Frank Force (@KilledByAPixel) June 15, 2019

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