CS 426 Exercises
   Color Spaces

  1. Describe how a color CRT works.
  2. Describe the tristimulus theory of color perception and its relevance to computer displays?
  3. What is the CIE Chromaticity diagram?
  4. Can every color perceptible to the human eye be displayed as a combination of three primaries?  
    Give evidence to support your answer.
  5. Write equations that convert a color in the RGB model to the CMY model.
  6. Describe which part of the RGB color cube represents gray values.  Same question for the CMY color cube, the HSV color hexcone, and the HLS double cones.