Red Green Blue Magenta Cyan Yellow

Click the right mouse button twice quickly to switch between two different modes:

Mode background
Mixing light beams black
Mixing paint pigments white

Click left mouse button and drag one of the colored oval to move it around.
Enter RGB values into the text field to change the color of the selected oval.
The color code (RGB value) at the mouse tip are shown in colored background.

Your suggestions are highly appreciated! Please click

Author¡GFu-Kwun Hwang, Dept. of physics, National Taiwan Normal University