Colorful Graphics



July 26, 2022

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  • Channels to Encode Information
  • Color Spaces
  • Color Palette Choice
  • Use Color Wisely (and Correctly)
  • Designing for Colorblindness
  • Beyond the Rainbow


  • Pick the right palette type for your visualization
    • use sequential to encode numerical information with order
    • use diverging to encode numerical information with a critical midpoint
    • use quialitative to encode categorical information
  • map the color with the highest contrast of a sequential palette to the most important value
  • for categories use a maximum of 6-8 colors
  • test for color blindness using a CVD simulator
  • check the contrast of your data and text colors
  • avoid rainbow palettes!