How to Install Numix Theme & Icons in Ubuntu Linux

Brief: Numix is one of the most beautiful icon theme set for Linux. Learn how to install and use it in Ubuntu-based Linux distributions.

Numix is one of the most beautiful theme set for Linux desktop. It was initially created in 2013-14 and since then, it’s become a host favorite among Linux users.

There have been many new beautiful icon themes for Linux lately but Numix remains an evergreen hit. It’s flat approach gives a fresh look to your desktop. This was the reason why several Linux distributions used to ship with Numix as the default theme. Antergos was such a distribution.

I have noticed that Numix is not actively developed anymore. There website has been moved to GitHub. Don’t despair! It still has support for hundreds of applications. It’s design is not stale and it still looks modern.

Numix Square
Numix Square Icons

Installing Numix theme and icons in Ubuntu

The Numix theme suite has three main packages:

  • Numix square icons
  • Numix circle icons
  • Numix GTK theme

Let’s see how to install Numix theme and icons on Ubuntu. You can use the official Numix PPA for installing Numix.

Open a terminal. You can use the Ctrl+Alt+T keyboard shortcut for the terminal in Ubuntu. In the terminal, use the following commands one by one to install Numix GTK theme, Square and Circle icons:

sudo add-apt-repository ppa:numix/ppa
sudo apt-get update
sudo apt-get install numix-gtk-theme numix-icon-theme-circle numix-icon-theme-square

Once we have installed the themes and icons, let’s see how to change the default theme or icons to Numix.

Using Numix theme and icons

You can see various ways of installing themes and icons in this video:

You can also read about installing themes on Ubuntu. Basically, you have installed the theme. You just have to change the theme and icons using the GNOME Tweak Tool, if you are using the default GNOME desktop in Ubuntu.

If you don’t have GNOME Tweak Tool, you can install it from the software center or use this command:

sudo apt install gnome-tweak-tool

Once installed, open GNOME Tweak Tool and change the theme and icons from here:

Installing Numix Theme in Ubuntu
Changing theme and icons in GNOME

This is what my Ubuntu Gnome looks like with Numix theme and icons.

Numix Circle Icons
Numix Circle Icons

I hope this post helped you to install and use Numix theme and icons in Ubuntu. Don’t forget to check out some of the new icon themes for Linux desktop in this video on our YouTube channel.

Apart from Numix, what other theme or icon do you use? Do share it with the rest of us in the comment section below.

About the author
Abhishek Prakash

Abhishek Prakash

Created It's FOSS 11 years ago to share my Linux adventures. Have a Master's degree in Engineering and years of IT industry experience. Huge fan of Agatha Christie detective mysteries 🕵️‍♂️

Become a Better Linux User

With the FOSS Weekly Newsletter, you learn useful Linux tips, discover applications, explore new distros and stay updated with the latest from Linux world


Great! You’ve successfully signed up.

Welcome back! You've successfully signed in.

You've successfully subscribed to It's FOSS.

Success! Check your email for magic link to sign-in.

Success! Your billing info has been updated.

Your billing was not updated.