What desktop environment are you using? KDE let's users do this pretty easily by just going into the color scheme settings. I'm not sure what the process is for other desktops these days.
this post was submitted on 31 Jul 2025
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How hard is it to change my desktop environment from a standard Gnome setup with regular Ubuntu
You would just install one of the KDE meta-packages. After that you can select the new desktop environment when you login again.
The only thing to note is that some settings don't always play nice between the two (for example one might overwrite settings on the other), so maybe consider making a new user account just to see if you like it.
Takes like 30 seconds
Which desktop environment do you have? There are themes for almost all of them.
Gnome I believe for Standard Ubuntu but the dark mode isn't like DARK mode where its a #00000 black
Gnome themes do exist. Find something here and install it. Just create a .themes folder in your home directory and download a theme from this site. Extract the theme into the .themes folder you just created. Install gnome tweaks and go to town.
Gnome tweaks you say? What's that
Are you a new Linux user? This gnome tweaks.
Very new
Welcome aboard 🤓
Figured. No problem. We are here to help. Don't hesitate ask any of your questions.
I'm sure there are #000000 AMOLED GTK themes.
How does this work, too new to understand
GTK themes are themes for apps using the GTK GUI toolkit. They are basically CSS rules that apply to app widgets. You can probably find one by searching "amoled GTK theme" then installing it on your distro and using GNOME Tweaks to select the theme.
You know, putting up a black theme on your desktop environment is not difficult, you can probably find some online for your DE. The problem is the screen of your laptop/PC. Unless your laptop/monitor is a very expensive one, or a Mac, chances are you're using a cheaper panel. And slapping a 100% black theme there won't make it as black as you imagine it to be (as in your phone, for example, which usually use good quality screens).
How do I apply all this stuff
It says right there. Go to GitHub, checkout that project, and build with the instructions while including what the comment mentions.
I'll have chat gpt hold my hand 🤔
It's okay for asking some kinds of questions. But when you get down to specific packages you're better off just reading the README.
You can always just ask here if you can't figure something out
😛 You're better than that. The commands are line for like right there 😂
I have OLED tv as my main monitor, and adjusting the settings of the screeb allowed me to achieve this using a black image at full screen. The screen looks like it is turned off. I even tested with a dark room. No light comes from the screen. Once you get that set, then using black in UI colors should achieve this if I understand what you are asking.
I'm not familiar with HDR capablity within Linux though, and many newer OLED screens have some of these capabilities. That could be another element to consider depending on your screen capabilities and settings available.
Maybe this is something for me to consider. What desktop environment do you use
I use Cinnamon. Things might be different with others, but the same concept should apply.