[racket] Color names in the-color-database

From: Nadeem Abdul Hamid (nadeem at acm.org)
Date: Sun Nov 20 22:26:57 EST 2011

Is there a convenient way to get a list of the color names in
the-color-database (in racket/draw)? I see the 'colors' hash table
defined in  collects/racket/draw/private/color.rkt but don't see any
way to access it to extract the key values.
--- nadeem

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