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f.lux does look wrong in a blue-rich lighting environment (like an office building after dark.) It looks ok in most people's homes.

You should set f.lux to match your ambient lighting. If the whites on your screen look more orange than the whites in your room, then you have it set too warm (no benefit from that anyway!).

Might there be a way to sample white balance throughout the day to calibrate it using a webcam and a white sheet of paper? I'd probably start using it again if I could avoid fine tuning color temperatures manually.

Yes we have three implementations of this, and they mostly work but only some of the time :)

Problems: in a lot of dim rooms, the monitor is the main light source, and some webcams have terrible auto white balance. If you're on a Logitech camera it's totally easy, and if you're on a cheap netbook, it's awful. Still, you can solve all that, and we probably will ship a version of this soon.

That's great to know. I could probably turn the screen backlight off for a second while taking the shot. I'll play around with some shots from my camera to see how they vary. I'm looking forward to hearing more about these sorts of features!

That doesn't surprise me. If you're in such an environment, I'd bet that the ambient light would overwhelm the benefits of a tinted display, anyway.

I can attest to this. It's exactly why I don't use it on my work laptop but can't live without f.lux at home.

Granted, I use and like warm lighting at home. I wonder what would be the effect in a house/room that uses daylight lighting.

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