kcolorchooser 4:4.1.2-0ubuntu3 (amd64 binary) in ubuntu intrepid

 KColorChooser is a color palette tool, used to mix colors and create custom
 color palettes. Using the dropper, it can obtain the color of any pixel on
 the screen.
 .
 A number of common color palettes are included, such as the standard Web colors
 and the Oxygen color scheme.
 .
 This package is part of the KDE 4 graphics module.