F.lux screen full#

One of the ideas behind F.Lux is to reduce blue light in the evening and at night to improve sleep. When you wear blue light blocking glasses you are exposed to less high-energy visible blue light - from both your screen and external sources. F.Lux is a popular application for desktop and mobile operating systems to adjust the color warmth and other display and color related settings automatically or manually. Instead of changing the color emitted by your screen, blue light blocking glasses filter the amount of blue light that actually reaches your eyes. What are blue light blocking glasses?īlue light blocking glasses also reduce the amount of blue light you are exposed to - but in a different way. If you’ve ever seen a colleague or someone with a particularly yellow-looking screen display, they may have been using f.lux. Using f.lux means your screen will change color. Or keep a steady setting to your preference (you can even try it out without installing it here). You can set the program to mimic natural sunrise and sunset cycles.

Warmer colors are lower energy and typically feel easier on your eyes.į.lux allows you to adjust the color temperature of your display to reduce the amount of blue light (the big blue spike in the diagram above) emitted by your monitor. The diagram below shows the default color temperature profile for a Macbook Air device:Ĭooler colors are high-energy and are typically harsher on our eyes. You are simultaneously exposed to ‘cooler’ colors such as blues and greens, as well as ‘warmer’ colors such as reds and oranges.

F.lux screen full#

Whenever we look at our monitors, we are exposed to the full spectrum of light wavelengths it is emitting. So what’s color temperature? And why would you want to adjust it? F.lux is a computer program that adjusts your monitor’s color temperature to reduce the amount of blue light you are exposed to.Īpple’s Night Shift also allows you to change the color temperature of your screen, but it is less intense than f.lux.