Vibrancy Colors is a bold, modern & beautiful "vibrant" icon theme. Vibrancy is a mixture of many amazing open source icon projects/themes into a new beautiful icon theme. It is meant to be modern clean and customizable. It was built with RAVEfinity Color GTK Themes in mind or any theme you see fit. And is meant to work nicely with flat gtk themes. There are 14 colors of folders which can be selected: Stock Manila Folder, Blue, Aqua ,Graphite ,Blue Vivid (Dark), Brown, Green, Green Viva (Dark), Purple,Red, Pink, Orange, Teal, Yellow. This icon theme is compatible with Unity, Gnome, KDE, Xfce, etc.
Vibrancy Colors features Vivid and beautiful application icons based on Moka/Faba, Monochrome Panel Icons By Faenza, Mimetype icons based on Numix square, Folders based on KDE Breeze icons by Uri Herrera. And With Folder Symbols, Toolbar Icons In NonMono by elementary. And Lastly With new folder colors, tweaks, changes, testing and integration by RAVEfinity.
You can use Unity Tweak Tool, Gnome-tweak-tool or Ubuntu-Tweak to change themes/icons. Ambiance-Blackout-Colors has been used in screenshots.