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26 October 2009
This is an extensive set of icon themes based on GNOME and Tango, with some inspiration from Human, Tango Generator, Elementary, and other open source projects. The project's goal is to integrate closely with gnome-icon-theme, while greatly expanding its available icons and allowing users to choose from 7 completely different and unique color schemes. With the additional source pack, an unlimited number of complete color variations can be rebuilt from source.
The icons and their color schemes are designed to complement my Shiki-Colors GTK Themes and their additional artwork.
There are 7 color variations: Brave (Blue), Wise (Green), Human (Orange), Noble (Purple), Wine (Red), Dust (Chocolate) and Illustrious (Pink).
Install for ubuntu 9.10Karmic Koala :
deb http://ppa.launchpad.net/gnome-colors-packagers/ppa/ubuntu karmic main
Install for Ubuntu 9.04 Jaunty jackalope :
deb http://ppa.launchpad.net/gnome-colors-packagers/ppa/ubuntu jaunty main
Add the verification key
sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 2d79f61be8d31a30
now install the colors  with
sudo apt-get install arc-colors gnome-colors shiki-colors*
after install you will get something like
you can change your GDM login with new themes like
please enjoy , and ask if any ..
You can't change login screen in ubuntu karmic!!!