OpenGL ES 2 for Android

The OpenGL Color Model

OpenGL uses the additive RGB color model, which works with just the three primary colors: red, green, and blue. Many colors can be created by mixing these primary colors together in various proportions. For example, red and green together create yellow, red and blue together create magenta, and blue and green together create cyan. Add red, green, and blue together and you get white (as seen in the following figure).

Figure 12. The RGB additive color model

This model works differently than the subtractive paint model you might have learned about in school: in the subtractive paint model, adding blue and yellow makes green, ...