Newsgroups: comp.windows.x
Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!think.com!mintaka!bloom-beacon!dont-send-mail-to-path-lines
From: rws@expo.lcs.mit.EDU (Bob Scheifler)
Subject: Re: Need help cycling colors with X11
Message-ID: <9105281314.AA24136@expire.lcs.mit.edu>
Sender: daemon@athena.mit.edu (Mr Background)
Organization: The Internet
References: <1991May28.001741.29301@edsr.eds.com>
Date: 28 May 91 13:14:06 GMT
Lines: 4

    I use XAllocColorCells() to allocate the cells and then use XStoreColors()
    to store the RGB values that I choose.

RTFM.  You aren't setting the XColor.flags components to DoRed|DoGreen|DoBlue.