i wanted to know if it is possible to add more then one color to a web page. if yes how.

what kind of colours?

font colours? yes.
background colours? no, unless you use an image.
picture colours? definitely.
horizontal rule colors? yup.
scrollbar colours? yes sireeee.

Um... please be more specific. Background color? Fonts? Links? Etc.

sry to the background

lol, you need to make it an image.