Chameleon.js is a lightweight jQuery plugin for automatic content colorization.
Bootstrap Colorpicker is a fancy and customizable colorpicker plugin for Bootstrap.
A simple jQuery plugin for changing background color while scrolling.
dynamicColorPage is a jQuery plugin that lets user change the color style of your page dynamically.
The user got a small widget on the right handside, that can be used to change default color, and the appearance of the whole page will change.
Tiny jQuery colorPicker is a mobile first, tiny foot print, fast, scaleable, flexible and pluggable color picker.
It supports all modern features like touch and MS pointer, GPU accelerated rendering, battery friendly requestAnimationFrame and provides a lot of hooks and a clean and rich API and model for developers to write plugins.
evol.colorpicker is a web color picker which looks like the one in Microsoft Office 2010. It can be used inline or as a popup binded to a text box.
It is a full jQuery UI widget, supporting various configurations and themes.
Midnight.js is a jQuery plugin that switches between multiple header designs as you scroll, so you always have a header that looks great with the content below it.