Think You're Seeing Orange? Think Again!
2色法によるイチゴの錯視。この画像はすべてシアン色(青緑色)の画素でできているが、イチゴは赤く見える。
— Akiyoshi Kitaoka (@AkiyoshiKitaoka) February 28, 2017
Strawberries appear to be reddish, though the pixels are not. pic.twitter.com/Ginyhf61F7
This illusion is the result of a phenomenon called color constancy, which is usually a good thing. In very simple terms, color constancy is what lets you continue to perceive an object as being the same color even if the color of the illuminating light changes. Even after you carry a piece of plain white paper down into a room it with a red light bulb, for example, your brain still understands that the paper itself is as white as it was before.
Oranges appear to be orange in color, though the pixels are gray or blue hue. pic.twitter.com/y2HyZFgZZr
— Akiyoshi Kitaoka (@AkiyoshiKitaoka) March 5, 2017
What makes things really startling is how subtle yet thorough the process can be. In the case of the strawberries, one could argue that common and prior knowledge that strawberries are red influences how Kitaoka’s photo is perceived, but what if we were talking about something that there’s no standard, preconceived color for, like a train?
A train at the Liverpool station appears to be partly wrapped with reddish color, though the pixels are not. pic.twitter.com/BjALDkX6nQ
— Akiyoshi Kitaoka (@AkiyoshiKitaoka) March 5, 2017
Color constancy still works, based on color cues your brain is trying to pick up on elsewhere in the image.
For more mindbending illusions, you can follow Akiyoshi Kitaoka's Twitter account.
Read full story: en.rocketnews24.com
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