When you choose a color for your web pages, fonts, or backgrounds, sometimes you can type in a color's name, such as "white," but other colors require a special code, called a hex code. This code represents the red-green-blue combination that makes up the color, and allows your computer to easily process the color you want.

Here are some examples of colors you can generate, using different combinations in the hexadecimal value:

For more hexadecimal color codes, check out this handy color cube or Raw Data's complete list of hex codes.