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I learned a trick on YouTube when having the pink/red tint problem on the s8 and s8 plus. If you still see a weird shade of white even though your blue light filter is off, I know this sounds weird but, download google books if you don't already have it and go to read a book. If you don't have one there are free ones I think. When "reading" it, there will be a font option that looks like the same symbol from Microsoft word, the double A. Click it and swipe the night mode option to off. Made a world of a difference for me when the built in display settings weren't cutting it.
I've noticed it too when compared to my Note9 (which I still have, it's a trade in but I'm still deciding if I really want to switch it to S10, Note9 feels like a more polished product overall so far, but the S10 has some very cool features). They did say they have reduced the blue light in a new screen by 30%, which will make it look a little bit more red, or yellow, and I think switching it to Vivid display more and then dropping color balance one sort to blue makes it appear close to Note9. Even then, when I open an app with white background, Note9 looks more natural, but it might be juselt because I'm used to that. OK, it's a lot of words... Bottom line: it's by design, and this warmer color is better for your eyes.
@userWKvt3yKCnF this is totally normal. The S10 line reduces harmful blue light more than previous devices. This will help to reduce eye fatigue and noninterference of sleep patterns moreso than before, without even having the blue light filter on! 🙂 Think of it as a subtle background blue light filter you don't have to worry about haha.
Search the thread a bit. I complained of the same issue a few days ago, it turns out it was being caused by the pre installed screen protector. Peel it off and you'll notice a change right away