SunsetScreen

SunsetScreen

SunsetScreen is a free open source software that changes the color temperature of your computer screen to match the sun cycle throughout the day. It slowly adjusts from a cool blue light in the morning to a warm orange light in the evening to reduce eye strain.
SunsetScreen image
blue-light color-temperature eye-strain

SunsetScreen: Adjusts Color Temperature for Comfort

Free open source software changes screen color temperature to match sun cycle, reducing eye strain

What is SunsetScreen?

SunsetScreen is a free and open source software application that adapts the color temperature of your computer display according to the time of day, to match natural sunlight. It slowly adjusts the display from a cool blue light in the morning, to a bright white light at noon, to a warm orange light in the evening.

This color shifting reduces eye strain and fatigue associated with staring at a bright screen all day. The blue light emitted from screens in the evening has also been shown to negatively impact sleep cycles. SunsetScreen counteracts these effects by gradually removing the blue component after sunset.

The software works by placing an overlay filter over your entire display. You can customize the schedule and intensity of the color temperature adjustments in the settings. It includes options to pause or disable the filter as needed. SunsetScreen integrates seamlessly into Windows, MacOS and Linux systems.

By mimicking the natural shifts in ambient lighting, SunsetScreen creates a more comfortable and healthy viewing experience for computer users. The ability to reduce eye strain and sleep disruption makes it a valuable free utility for productivity.

SunsetScreen Features

Features

  1. Adjusts screen color temperature throughout the day
  2. Syncs to sunrise and sunset times based on location
  3. Customizable color temperature schedule
  4. Open source and free

Pricing

  • Open Source
  • Free

Pros

Reduces eye strain

Helps regulate circadian rhythm

Easy to use

Lightweight application

Cons

May not work well with flux or other screen adjustment software

Requires location access

Limited customization options


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