If you usually wake up before sunrise, you might prefer a more moderate (4500K or brighter) Sunset setting.īedtime is the time before sleep when you’re getting ready for bed (or already in it). Sunset colors are designed to work well with normal warm white room lighting. If you are an early riser, this is also your pre-sunrise morning setting. Sunset is when the sun has set, but you are awake.

If you prefer very warm daytime colors, select Options> Expanded Daytime Settings from the f.lux menu. By default, f.lux is at 6500K during the daytime, and does not change your screen’s color. f.lux Preferencesĭaytime is whenever the sun is up in your location. The f.lux menu can always be found to the left of your system clock. You can open up Preferences any time to view and change your f.lux settings. f.lux uses this information to create a custom lighting schedule for you. Here, you can enter your location and set your usual wake time. Once f.lux is installed and running, you should see the f.lux Preferences window appear. zip file - it should be in your Downloads folder.

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