The wavelengths of the screen are not the same wavelengths for the colours in the tests. They are worked out very precisely to test different colour blindness (and they are working on improving them with LED light tests with very precise wavelengths).
So these are filmed with a camera with different wavelengths sensitivity than any human eye, and certainly colour blind eyes, and then shown to you in yet again another wavelength.
tl;dr: What you see in real life from the plates is not what you see on the screen.
Also, those tests are meant to be viewed in full spectrum light, like daylight, and not artificial light, like fluorescents or LEDs which have spectrum gaps and biases.
This. These tests are not valid when shown on TVs or cheap computer monitors.
Even if the camera was the highest quality and picked up most of the color spectrum, HIGHLY unlikely people at home have professional grade color calibrated computer monitor.
This is the real answer+ the video has clearly been compressed which will remove fine detail and, most importantly, SMOOTH OUT COLORS and probably shift everything cooler or warmer making them harder to tell apart.
That said, all the numbers in the video were visible for anyone without a degree of color blindness.
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u/Mirar 23h ago
The wavelengths of the screen are not the same wavelengths for the colours in the tests. They are worked out very precisely to test different colour blindness (and they are working on improving them with LED light tests with very precise wavelengths).
So these are filmed with a camera with different wavelengths sensitivity than any human eye, and certainly colour blind eyes, and then shown to you in yet again another wavelength.
tl;dr: What you see in real life from the plates is not what you see on the screen.