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This is fun! I just played once and got 0.0016, which it says is "absurdly below the theoretical limit"...

Okay, tried again and got 0.0034 which is still says is beyond the human limit! I'll have to give this to my mum because we often argue about colours and I suspect she might be a tetrachromat.

Both tests on a Pixel 10 btw



This test is subject to the display regime on which it's presented. A given display may hide or amplify differences due to lack of conformance with the color space for the test data.


Tetrachromacy wouldn't affect a test taken through a phone screen.




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