Color on the Web
How We See Color
Light and Color
The Code
Base 16 or
The Hexidecimal Number System

Exercises in Base 16
Dark and Light Values
Color Quiz
Experiment with Color


We use a six digit number to tell the computer what color we would like it to display. In other words, the number has six places: the first two digits tell the computer how much red light to mix, the second: how much green light, and the third: how much blue light.
Here is an example of a color and its code:


Notice that there are two 0s in the beginning.

Remember, the first two numbers represent the amount of red light, so how much red light is in this color (none, some, all the red light possible, I don't know)?

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