Watch the video: Optical illusion – this effect simply makes colors disappear.
This pastel-colored picture seems unspectacular and yet it will amaze you. Because if you fix your eyes on the center of the picture for 10-20 seconds, the colors will disappear more and more and fade. Try it:
The so-called Troxler effect is behind the illusion. It was discovered in 1804 by the Swiss doctor and philosopher Ignaz Paul Vital Troxler. He found that when we fix our eyes on a point, the surrounding objects fade. In this case the colors. Although we can still see the colors, our brain no longer perceives them.