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EDIT: found a cleaner version (pic8.co)

A computer only shows a limited number of shades so this test is limited to "normal" ranges of human perception.

You see less than 20 color nuances: you are a dichromats, which means you have 2 types of cones only. You are likely to wear black, beige, and blue. 25% of the population is dichromat.

You see between 20 and 32 color nuances: you are a trichromat, you have 3 types of cones (in the purple/blue, green and red area). You enjoy different colors as you can appreciate them. 50% of the population is trichromat.

You see between 33 and 39 colors: you are a tetrachromat, like bees, and have 4 types of cones (in the purple/blue, green, red plus yellow area). 25% of the population is tetrachromat.

## [EDIT: found a](#red) [cleaner version](https://pic8.co/sh/2IR2HK.png) > A computer only shows a limited number of shades so this test is limited to "normal" ranges of human perception. > You see less than 20 color nuances: you are a dichromats, which means you have 2 types of cones only. You are likely to wear black, beige, and blue. 25% of the population is dichromat. > You see between 20 and 32 color nuances: you are a trichromat, you have 3 types of cones (in the purple/blue, green and red area). You enjoy different colors as you can appreciate them. 50% of the population is trichromat. > You see between 33 and 39 colors: you are a tetrachromat, like bees, and have 4 types of cones (in the purple/blue, green, red plus yellow area). 25% of the population is tetrachromat.

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[–] • 3 pts

I can see 44, plenty of them are even gradients

[–] • 3 pts

I can see 44, plenty of them are even gradients

The yellow region was less distinct to me, which would suggest I am not a tetrachromat, but I just pulled out a a color picker tool and swept across the image to see how big the angle steps are for comparison. The yellow region was very small steps in the angles compared to other hues and practically at the limit of the best human perception. Given that, I don't think many monitors could reproduce the colors distinctly which makes this more a test of your monitor's color rendering abilities than your color perception abilities.

It was actually better back in the days of CRT monitors with characterized phosphors and active color calibration equipment. I stayed on CRT monitors for a long time for that reason since early LCD displays really sucked at color reproduction, not that they're great these days though. I do miss my old Idek Iiyama CRT displays for graphics work. Samsung color just doesn't pop like the Ideks did.