- Edited
Night light I use every evening, and I have turned it up to the max settings. Using it is so much less straining on my eyes compared to staring at that shiny blue light.
It has been over two years since I used a mobile operating system other than GrapheneOS as my daily driver*. I have kind of forgotten how I experienced using other mobile systems.
But I recall that other Android variants didn't completely turn off the blue light even when night light was set to its fullest. As such I used apps to turn off that blue stuff completely. Those apps required accessibility permission or the permission to display over other apps. This was before I knew about the privacy risks of granting these special permissions.
But I don't need this on GrapheneOS, because the developers decided that it was worth implementing this into the OS to avoid users granting apps dangerous permissions. Oooooh yeeeaaah!
Here's a quote from a GrapheneOS developer that I saw on Discord:
We allow setting it high enough to at least theoretically eliminate all blue from blue pixels
Look at how a blue background like the clock app looks with it on max
Also you can clearly see the screen dim as you turn down the blue pixels to 0
[…]
but it does truly work, it turns down the blue light from blue pixels
to essentially 0 at max
there are just the red and green ones remaining
[@username]: look at some site with pure red, green and blue images
turn it to 50%, check, then 100%, check
you can see blue just becomes pure black at full intensity
all we did is extend the standard night sight to go all the way to a 0 blue color space
they might not do that for usability reasons
we extended it so people would stop using accessibility services for this since those are a privacy/security risk and reduce performance a lot Wishing you all a tremendous day!
*(Although, in all honesty, I do not use Android Auto).