Basic commands:  http://nobledesktop.com/guide.html
Full Tutorial: http://www.w3schools.com/default.asp
Nice Javascript function walkthrough (avoiding spam)
Great Tutorial: http://www.yourhtmlsource.com/fullindex.html
CSS2 Specifications: http://www.w3.org/TR/REC-CSS2/cover.html#minitoc

RGB - Hex - Slide picker: http://www.lissaexplains.com/color2.shtml