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Introduction Human Factors Model Usability Visual Displays Non-Visual Displays Controls Environment Cognition Training Team Performance
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Human Visual System
Human Vision
Human Variance
Contrast & Color
CIE Color Space
Color Choices
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Visual Displays > Human Variance - 7 of 7
 
 


Color Deficiencies & Perception

The following figure gives the approximate colors experienced by someone with normal color vision, protanopia, deteranopia, and tritanopia.

  • Protanopia - The protanope has only M and S cones--no L (red).
  • Deteranopia - The deteranope has only L and S cones--no M (green).
  • Tritanopia - The tritanope has only L and M cones--no S (blue).

Colors Perceived by Type of Color Vision Deficiency Compared to Normal Color Vision
Graphic: Wolfmaier, Thomas G. (mar 1999) Designing for the Color Challenged: A Challenge, from Internet Technical Group (itg) on-line newsletter.
 
 

 

  
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