How to use Lumen to Automatically Turn Up Your Mac’s Brightness While Using Dark Windows, And Vice-Verse



If you use your in dark spaces quite often you might have faced the problem of turning up the brightness level and it turns out to be blindingly bright.

The good thing is Lumen is a free Mac application which solves this problem. It automatically adjusts the brightness level for you by learning your settings at different levels. It’s like an equalizer for your display.

Step One: Install Lumen On Your Mac

The easiest way to install Lumen is by using Homebrew and Homebrew Cask. Once you’ve done that, open a Terminal window (Applications > Utilities > Terminal) and run the following command to install Lumen:

brew cask install lumen

This is the recommended installation method, but if you’d rather not mess around with Homebrew there’s a binary download you can use instead.

Just download the ZIP file, then drag the app to Applications. You know: the normal Mac installation dance.

Step Two: Go Through a Little Setup

However you install Lumen, double-clicking isn’t enough to actually run the program. This is because, as of this writing, Lumen it is not compiled with a developer key. Your Mac only allows approved software by default, so you’ll need to use a workaround to run Lumen.

Right-click Lumen, then click “Open”.

A resulting window will pop up asking if you’d like to run the program.

Click “Open” and you should be good to go: you won’t be asked about opening Lumen again.

One more thing, before we start: you need to disable the “Automatically adjust brightness” setting on your Mac. Head to your system settings, then “Display”.

Make sure that “Automatically adjust brightness” is disabled.

If you leave this option checked, Lumen won’t work, so make sure you do this.

Step Three: Train Lumen to Learn Your Ideal Brightness Levels

Now since we are done with the tricky installation part, using Lumen is as easy as it gets.

There’s not much of a GUI to speak of, really, other than a bar icon that lets you toggle the program.

With so few options, how do you use this thing? Basically, do what you already do: turn up the brightness when you’re using a dark window that’s hard to see, and turn down the brightness when your eyes are blinded by a light window. Lumen will watch you, learn what you prefer, then do it automatically.

Sometimes it will seem like this isn’t working, but eventually Lumen will figure out what you’re doing and adjust accordingly. Just don’t be afraid to adjust your brightness to your liking as you switch from dark to light .



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Nooruddin Ahmed

The author Nooruddin Ahmed

An avid football fan. Lives for the weekend game.Aviation enthusiast. Believes in letting bygones be bygones.

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