Ravefinity-X icons twelve different color variants of gorgeous icons. Here's how you can install them in Linux Mint 17.
1. Open a terminal window.
2. Type in the following commands then hit Enter after each:
sudo add-apt-repository ppa:ravefinity-project/ppa
sudo apt-get update
sudo apt-get install ravefinity-x-icons
Image credit: Noobs Lab
Source: Noobs Lab
Additional resources for Ravefinity-X Icons
Additional Linux Mint resources