Main image via Øyvind Kolås
We love effective optical illusions, especially ones that honestly trick your brain into seeing the image in a very unique way.
This picture tricks your brain into seeing colours. If you look closer you’ll notice that the photo is actually black and white.
The visuals were created by digital media artist and software developer, Oyvind Kolas as a visual experiment.
This technique is called “colour assimilation grid illusion”. It achieves the effects of seeing colours by using layers of grid lines with selective coloured lines over a black and white image.
According to Bart Anderson, a vision scientist at the University of Sydney, the illusion works when our brain compresses visual information when taken at first glance, giving us an impression of the overall picture.
“An over-saturated coloured grid overlayed on a grayscale image causes the grayscale cells to be perceived as having colour,”
Oyvind Kolas did not just use grid lines for the illusion, but he used coloured dots as well.
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