Farbtastic is a jQuery plug-in that can add one or more color picker widgets into a page through JavaScript. Each widget is then linked to an existing element (e.g. a text field) and will update the element’s value when a color is selected.
Download Farbtastic 1.2 – 8 January 2007 (License: GPL).
Farbtastic: jQuery color picker plug-in | Steven Wittens – Acko.net