Color Computer
Try one of these adventures with pigments and light
Complementary Color Computer
Figure out the color that's opposite on the color wheel.
Practice your test automation skills with drop-down lists (combo boxes).
Combine Lights
Understand the RGB color model by combining colored lights.
Practice with list views.
Color Format Representations
See how a color is represented in many numeric formats.
Practice with radio buttons.
Pop Up Play
This example has little to do with colors; it's just been hacked into this demo site.
Try three different kinds of JavaScript popups.