Additive Colors


Control the intensity of red, green, and blue spotlights. Additive colors can be observed where the spotlights overlap. The RGB value of any point can be measured. Just about any color can be created by mixing varying amounts of red, green, and blue light.

Screenshot of Additive Colors Gizmo

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    2012, 2009, 2008, 2006 SIIA CODiE Awards

  • Finalist: Distinguished Achievement Award

    2012, 2011, 2010, 2009, 2006 AEP

  • Finalist: Best K-12 Instructional Solution

    2010 SIIA CODiE Awards

  • Finalist: Golden Lamp Award

    2009, 2008, 2006 AEP

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