Excolor is a photoshop-style jquery color pickup plug-in that is very customizable and produces color pickers of various styles and effects through parameter settings. It can be attached to any input box, by simply invoking a single line of functions.
Farbtastic is a jquery color pickup plugin that makes it very easy to add a color selector to a Web page. The Color picker links to an existing element on the Web page (for example, a text box) and updates the element value when a color is selected.
A simple component that lets you choose colors like Adobe Photoshop.
Jpicker is a fast, lightweight jquery plugin that allows you to include an advanced color picker in your Web project. It comes from the Joh Dyer selector, which is improved using the prototype framework.
Jquerysimplecolor is a very simple color picker plugin that selects colors from a square of squares.
Really Simple Color picker
A color picker with a preset palette, simple and straightforward.
Other Address: http://www.open-lib.com/Type/170-1.jsp
Reprinted from: http://blog.jobbole.com/9476/
JS Color Picker