Acyl Icons Manager and Acyl 6 icon sets for Ubuntu/Linux Mint/other Ubuntu derivatives

Install Acyl Icons Manager and Acyl (6 icon sets) in Ubuntu 15.04 Vivid/14.10/Ubuntu 14.04 Trusty/Ubuntu 12.04 Precise/Linux Mint 17.1/17/13/other Ubuntu derivatives

Acyl stands for "Any Color You Like", Basically this icon manager allows user to choose any color and apply different themes to ACYL icon set. This is the best icon set available for Linux because you are free to customize these icons.
It has 12 filters, gradient customization to apply on icon set and three icons (folder, navigation, logo) to choose from a list.

To install Acyl-Icon-Manager in Ubuntu 15.04/14.10/14.04/12.04/Linux Mint 17.1/17/13 open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

Terminal Commands:
sudo add-apt-repository ppa:noobslab/icons
sudo apt-get update
sudo apt-get install acyl-icon-set

To install Acyl-Icon-Manager in any Ubuntu/Linux Mint open Terminal and copy the following commands in the Terminal:

Terminal Commands:
wget -O acyl-icon-set.deb https://launchpad.net/~noobslab/+archive/ubuntu/icons/+files/acyl-icon-set_0.9.4~NoobsLab.com~precise_all.deb
sudo dpkg -i acyl-icon-set.deb
rm acyl-icon-set.deb

Then search Acyl in Dash and open it to customize icons.

Acyl Icon Sets:

We have created 6 icon set with different filters and colors. Further you can customize icon set via Acyl-icon-manager to match with your theme.

To install 6 Acyl-Icon sets in Ubuntu 15.04/14.10/14.04/12.04/Linux Mint 17.1/17/13 open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

Terminal Commands:
sudo add-apt-repository ppa:noobslab/icons
sudo apt-get update
sudo apt-get install acyl-icons

To install 6 Acyl-Icon sets in any Ubuntu/Linux Mint open Terminal and copy the following commands in the Terminal:

Terminal Commands:
wget -O acyl-icons.deb https://launchpad.net/~noobslab/+archive/ubuntu/icons/+files/acyl-icons_1.2~precise~Noobslab.com_all.deb
sudo dpkg -i acyl-icons.deb
rm acyl-icons.deb

That's it

Source: Any-Color-You-Like