I use f.lux when I work/game at night. I've noticed a few games override it, especially games that run in fullscreen mode.
I messed around with the ColorMatrix shader to recreate the f.lux effect for such games.
For Matrix Red, set the R value to 1. The G and B values should be at 0.
For Matrix Green, set the G channel to .855. Ditto for the R and B values.
For Matrix Blue, set the B channel to .725. DItto for the R and G values.
This sets the white point to a color that approximates white under f.lux.
Works for me, but if someone finds a more accurate RGB value or indeed an entirely different ReShade equivalent for f.lux, feel free to share.
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Blue light filter similar to f.lux 3 months 4 weeks ago #2