Good examples of dithered color --

http://www.famewhore.com/

http://www.corbisimages.com/

Recommended resources for web color --

http://www.visibone.com/colorlab/

http://www.molly.com/

http://www.spectracol.com/

http://the-light.com/netcol.html

http://www.wpdfd.com/wpdpal.htm

http://www.lynda.com/hex.html

Reciprocal links --

http://docs.yahoo.com/picks/980817.html

http://www.designer.com/links/design_resources/color.htm

http://builder.cnet.com/webbuilding/pages/Authoring/FreeTools/ss05.html

http://html.about.com/msubcolor.htm

http://webdesign.about.com/cs/colortools/

http://graphicssoft.about.com/cs/onlinecolortools/

Other sites for fun --

http://www.pedagonet.com/