Colors are specified by hexidecimal color codes. (You can sometimes use regular color names, such as
"blue" or "violet," but not all browsers will read these. Since you cannot be sure that everyone trying
to view your webpage will have the same type of browser as you, it is a good idea to make your code as
universal as possible.) These hexidecimal codes consist of a pound/number sign (#) followed by a series
of 6 numbers or letters. Here are a few color examples: