Make Sure Your Browser is Chrome.Department of Physics, UNC Asheville
Figures are labeled according to The Physics Teacher publication.
Frances Ruiz (daughter) and Michael J. Ruiz (father),
a href="www.mjtruiz.com/publications/2015_color.pdf" target="_blank">"Color Addition and Subtraction Apps,"
The Physics Teacher 53, 423 (October 2015).
Make Sure Your Browser is Chrome.
If you would like the source code, scroll to the bottom of
this page. But note that the two apps with the flowers
must run from a web server. You may also download the
videos if you would like to run those from your desktop
instead of viewing them here.
Fig. 1. Color mixing by addition (Left) and subtraction (right).
Explore Addition
Explore Subtraction
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Fig. 4. Controlling amounts of primaries: add (left), subtract (right)
Explore App
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Fig. 5a. Flowers with additive primaries.
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Fig. 5b. Flowers with subtractive primaries.
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Fig. 6a. Magenta in the three-bit RGB color scheme.
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Fig. 6b. An orange in the six-bit RGB color scheme.
Explore App
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Fig. 6c. A color in the 24-bit RGB color scheme.
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Fig. 7. A Lavender with hexadecimal value RGB = FFA0C0
Explore App
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Fig. 8. Dark Orange from the X11 color set.
Explore App
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For those of you who would like to download the source code
and/or videos, click below. Code updated January 23, 2016
so subtractive color mixing works with Chrome Version 48
(released January 20, 2016).