shazdeh

This plugin adds an option page where you can add color options and the plugin hooks this elements to the Customizer where your client or theme users can customize the design.
Since 0.2 the custom designed panel to change colors is removed and now design tweaks are done through the WordPress Theme Customizer.

Color Manager

Enable your clients or theme users to easily change the color scheme of your design. With live preview!

Jick

The Easy Admin Color Schemes plugin allows users to easily customize the colors of the administration interface for WordPress. It works by adding a new interface to the WordPress admin that allows you to add, edit, import, and export custom admin color schemes. Without the plugin you would need to know how to create your own WordPress plugins or customize WordPress code in order to add your own custom admin color schemes.
Get more information and support at <a href="http://jamesdimick.com/easy-admin-color-schemes" rel="nofollow ugc">the official Easy Admin Color Schemes page</a>.

Easy Admin Color Schemes

The Easy Admin Color Schemes plugin allows users to easily customize the colors of the administration interface for WordPress.

Color Manager vs Easy Admin Color Schemes