PyGTK color blackout

[egbert]

Without success I try to understand the color mechanism in PyGTK.
It's about the classes Color an Colormap, and their methods and
related functions and other paraphernalia.
If anyone knows about a tutorial-like systematic description, 
I will be very grateful.
-- 
Egbert Bouwman - Keizersgracht 197 II - 1016 DS  Amsterdam - 020 6257991
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