https://github.com/websanova/wColorPicker#wcolorpickerjs
http://labs.abeautifulsite.net/jquery-miniColors/
http://acko.net/blog/farbtastic-jquery-color-picker-plug-in/
http://belelros.github.io/jQuery-ColorPicker/

http://automattic.github.io/Iris/
http://bgrins.github.io/spectrum/