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RGB HTML5

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Summary

Since the 1890s, additive color processes have been used to create color photographs. The cones that carpet our retinas are only sensitive to the primary colors: Green, Red and Blue. Television, cinema and photography all use these additive, three color processes, as did the pointillist painters of the 19th Century.

Click and drag the R(Red) G(Green) and B(Blue) components of the picture.
Press  to overlap the three pictures again.

Learning goals

  • To illustrate the additive color process.
  • To analyse our perception of color.
  • To cover a little of the history of photography, one of humanity’s great inventions.

Learn more

Near the end of the 19th Century, Louis Ducos de Hauron recorded red, green, and blue (the primary colors of light) on three screen plates  to produce the first color photographs. Three monochrome…

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