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CF.lumen can do this on rooted devices. I have it set up to apply a gradually-increasing f.lux-like effect as the day turns to night, and then switch to a red-channel-only color mode past midnight.

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Twilight app can do the color shift without root.

It's not a proper color shift. It can, say, overlay the screen with orange, but can't reduce blue.

Hmm I think I get the difference, but can you accomplish the same thing overlaying with orange + lowering brightness?

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