Your eyes are great at white balancing. You look at something that is “white” and your brain will make it so.
I do have to disagree with Dr. Dres approach with TV settings. I have my TV set to appropriate settings for Dolby Vision and while every other film looks fine, these films are definitely undersaturated. Re tuning your TV should not be the solution here.
The problem here is, that no two TVs are the same, and so the “appropriate” settings for Dolby Vision will only give you the factory standard, which is flawed at best, especially considering no TV exists, that can really take full advantage of Dolby Vision’s capabilities. Then there’s the fact, that each film is graded differently, and so without some objective standard, there really is no right or wrong setting. Hence “each film looks fine” is just a matter of opinion. So, in my view there’s no other way then to tune the TV to some objective standard, or your own personal taste. The OT films are less vibrant than other films, but that is to be expected, and none of the films were super saturated on the big screen to begin with. In my case my TV settings are such that the colors for the OT look very natural for a film from the 1970s and 1980s, better than I’ve ever seen them in fact, but not undersaturated, while other more modern films are more saturated, but not excessively so, and also look natural.