Color Space
Below is one example of using spatial relationships to illustrate how colors may be made by mixing varying intensities of red, green, and blue light. This representation is called a "color space." The percent intensity is based on a linear scale with 0% representing no light of that color to 100% representing the maximum intensity of color that may be measured with a camera or displayed on a computer screen.
Intensity Red |
Intensity Green |
Intensity Blue |
Resulting Color |
0% |
0% |
0% |
Black |
100% |
0% |
0% |
Red |
0% |
100% |
0% |
Green |
0% |
0% |
100% |
Blue |
100% |
100% |
0% |
Yellow |
100% |
0% |
100% |
Magenta |
0% |
100% |
100% |
Cyan |
100% |
100% |
100% |
White |
Additional Color Resources
The Color Cube is a physical cube of colors that is a valuable teaching tool as well as a fascinating sculpture of color. The web site contains well-written and well-illustrated articles about color and vision that may be downloaded and/or printed.
Wikipedia's Color web page is fabulous – don't forget to check out their links near the end of the page.
Back to Making Color with Light Investigations
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