Tools · Open source
[ROOT] Night Light (KCAL)
Avinaba Dalal
An app to adjust blue light intensity, powered by KCAL
Opens the official F-Droid page
![[ROOT] Night Light (KCAL) screenshot 1](https://f-droid.org/repo/com.corphish.nightlight.generic/en-US/phoneScreenshots/1.png)
![[ROOT] Night Light (KCAL) screenshot 2](https://f-droid.org/repo/com.corphish.nightlight.generic/en-US/phoneScreenshots/2.png)
![[ROOT] Night Light (KCAL) screenshot 3](https://f-droid.org/repo/com.corphish.nightlight.generic/en-US/phoneScreenshots/3.png)
![[ROOT] Night Light (KCAL) screenshot 4](https://f-droid.org/repo/com.corphish.nightlight.generic/en-US/phoneScreenshots/4.png)
![[ROOT] Night Light (KCAL) screenshot 5](https://f-droid.org/repo/com.corphish.nightlight.generic/en-US/phoneScreenshots/5.png)
![[ROOT] Night Light (KCAL) screenshot 6](https://f-droid.org/repo/com.corphish.nightlight.generic/en-US/phoneScreenshots/6.png)
About [ROOT] Night Light (KCAL)
Night light is an open-source app which uses KCAL to adjust blue light intensity
of the display colors, so that viewing the screen at dark becomes pleasant for
the eyes, and help you fall asleep faster (this is what science have proven
so...).
Features
* Uses KCAL to adjust blue light intensity.
* Easy to use color controls.
* Color intensities.
* Sophisticated automation.
* Create and apply profiles with one click.
* Tasker plugin integeration.
* Great UI.
Requirements
* Kernel supporting KCAL.
* Root access.
Permissions
* Location - It is used to determine sunset/sunrise times for your location. (Your location info isn't shared, your privacy is maintained)
* Internet - It is used to determine approximate location (when exact location is not available) to determine sunset/sunrise times for your location.
What's new in 3.0.0
Night Light 3.0 is here! - Automation got even better with automation routines. - Set different Nigh Light settings for different time periods using automation routines. - Have your Night Light settings fade in/out to different settings using automation routines. - Removed maximum and minimum intensities in favor of automation routines and simplicity. - Added an option to automatically disable Night Light in lockscreen and automatically turn it back on when the device is unlocked. - Redesigned
How to install [ROOT] Night Light (KCAL)
- Tap Download — the app's official page on F-Droid opens.
- Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
- If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
- Open [ROOT] Night Light (KCAL) from your app drawer.
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