Colour Mixing
These pages were conceived as aids to teaching about additive and subtractive colour mixing, particularly when presenting in front of a group with a projected screen or interactive whiteboard, or in a remote teaching situation by sharing the screen.
RGB 1 Page
This shows overlapping lights of the three main additive primary colours - red, green and blue. The overlapping regions illustrate the secondary additive colours - cyan, magenta and yellow - as well as white where all three primaries coincide.
The buttons at right turn the individual light sources off/on to highlight complementary pairs or individual primary colours.
RGB 2 Page
Demonstrate how almost any colour can be produced by adding the three main primary colours of light - red, green and blue - in varying intensities. Use the faders to control the intensity of each primary light source.
CMY 1 Page
This shows overlapping pigments of the three main subtractive primary colours - cyan, magenta and yellow. The overlapping regions illustrate the secondary subtractive colours - red, green and blue - as well as black where all three primaries coincide.
The buttons at right turn the individual pigments off/on to highlight complementary pairs or individual primary colours.
CMY 2 Page
Demonstrate how almost any colour can be produced by adding the three main subtractive primary colours of pigment - cyan, magenta and yellow - in varying proportions. Use the faders to control the amount of pigment added to the mix. Unlike in real life, this simulation allows you to remove pigment from the mix as well as add.
