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Metamerism is not an issue with displays. You can find at the spectral distribution of the tvs and monitors on websites such as rting and hdtvtest.

And things such as "viewing condition" and "chromatic adaptation" are part of the color appearance model (CAM). The color spaces assume some reasonable value for those. For instance, a color space used for cinema, assumes dark viewing condition (I don't remember which one).

Also, many TVs and most Apple devices, have sensors to collect environment light, and applies color correction to best represent the color accuracy based on the environment.

But I agree, color science lacks data.

I don't think many people realize that most of the color science theory is based on a color matching experiment done with 1959, without lasers, with a very small biased population (european, males for genetic reason).