hexadecimal HTML color codes
http://html-color-codes.com/
Web munkey color codes
http://www.webmonkey.com/reference/color_codes/
The HEX Hub
http://www.december.com/html/spec/color1.html
color codes
http://www.pitt.edu/~nisg/cis/web/cgi/rgb.html
Mouse rollover Effects
Mouse Over Button
Rollover using Flash