Here's how you can install the beautiful colored-plastic icon set in Ubuntu 14.04.
1. Open a terminal window.
2. Type in the following commands then hit Enter after each.
sudo add-apt-repository ppa:noobslab/icons
sudo apt-get update
sudo apt-get install colored-plastic-icons
According to Noobs Lab:
This icon set is colorful, well designed and looks good with all kind of light and dark themes. You can use Unity Tweak Tool, Gnome-tweak-tool or Ubuntu-Tweak to change icons.More at Noobs Lab
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