![]() ![]() The type of lighting that is around you changes as it gets darker outside. Essentially this application will, as it gets darker outside, alter your computer's display and give everything a red tinge. There's a reason for that. If you're not familiar with F.lux you probably don't know what Redshift does. The program is currently in development, and currently requires the user to have no fear of the command line, but don't worry: it's not too hard to use. Linux users, it seems, were left out of the fun: F.lux does not work on Linux. Windows and Mac users have the option of using F.lux to offset this, and Varun wrote about last year in an article called Get Better Monitor Lighting That Feels Good To Your Eyes and Jackson followed up with an article called Use F.lux To Sleep Better After Late-Night Computer Activities. It's not practical to give up traditional screens on conventional computers, however. The result is easier to read in the sun, and is in general easier on the eyes than a screen. Rather than utilizing the backlit screens we know from computers and cell phones, these devices mimic paper. When you click on it you see among others the options Enabled and Info.It's for this reason that devices like the Kindle and the Nook are fast gaining popularity. When Redshift is installed correctly you will see a small light bulb icon in the panel of your operating system. How to change default color temperature values of Redshift at startupĪnd now then what you actually came for. But if it is not yet installed in your setup because of an older version of your distribution, Redshift is part of the standard application repository, so you can install it directly via the software manager. Redshift is standard installed in Linux Mint 19. So correction of color temperature is only acceptable for non-color critical applications such as word processing and reading of documents. Note: You only change the color temperature if you are not working with color critical applications, such as photo editing as you will compensate for it and completely disturb your output. However, we can make some simple changes by adding some command options to the startup data. It is possible that you prefer to have a warmer color or maybe a bit colder color for the night time color temperature adjustment. The standard values in Redshift for day and night time are 6500 kelvin vs 3500 kelvin. Simply put, it is a matter of taste as we are all individuals who perceive light in different ways. It is a nice little app, but it is only a bit of a shame that Redshift does not give options in the standard GUI to adjust the color temperature to your liking.īut maybe your first question is, why would I even want another color temperature than the standard settings of Redshift. ![]() The Linux Mint repository contains the application Redshift to help control the emitting of blue light. When it is getting darker the color temperature of your screens should shift towards the orange spectrum (below 6500 kelvin) to compensate for that. ![]() To reduce these eyesight and sleeping problems, operating systems for laptops, desktops and mobile devices now have options to reduce the blue light and also schedule this for the most important moments of the day, namely when it is getting darker. Redshift controls the scheduling of the color temperature In this article I explain how to change default color temperature values of Redshift at startup. Linux Mint uses a simple but effective application called Redshift to prevent such effects, but the GUI does not allow you to set the values as you want. At the very least, it can lead to excessive fatigue due to disturbed sleeping patterns caused by adversely affected melatonin production (a hormone that regulates sleep and wakefulness), but researchers are also afraid of far-reaching effects, such as macular degeneration, which is damaging the light-sensitive cells in the retina. Under certain circumstances and with long-term exposure there are some concerns about possible long-term effects on the health of your eyes. Displays of computers and mobile devices emit significant amounts of blue light. Lately we read and hear more and more about the dangers of looking too long at a screen that emits too much blue light in a dark environment. ![]()
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