javascript source code for colour palette generator

i am creating a website in asp.net and i am just wond开发者_开发问答ering is any way to generate color palette from an image using JavaScript? Similar to

1) http://www.cssdrive.com/imagepalette/

2) http://kuler.adobe.com/#create/fromanimage

Thought I answered this earlier, but I think it was deleted. There is a jquery plugin that does something similar:

http://www.xarg.org/project/jquery-color-plugin-xcolor/