http://www.justaddmusicmedia.com/work/colorpallet/
A dynamic color palette plugin for Quartz Composer. Inspired by iTunes 11. This QC plugin creates a color pallet from a sampled image.
Porting Panic's iTunes album art color algortithm (http://www.panic.com/blog/2012/12/itunes-11-and-colors/) to Quartz Composer
Installing Copy the QCColourArt.plugin found in the Release folder to your /Library/Graphics/Quartz Composer Plug-Ins folder
Video example https://vimeo.com/97938128
Created by Chris Birth for Just Add Music Media
Enjoy