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MaptimeMSP: Tools - Color Accessibility

Kitty Hurley
March 18, 2015
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MaptimeMSP: Tools - Color Accessibility

From the March 18, 2015 Maptime MSP presentation touching on color accessibility.

Kitty Hurley

March 18, 2015
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Transcript

  1. Tools for Making Maps: Color Accessibility Kitty Hurley, GISP

  2. “In visual perception a color is almost never see as

    it really is… This fact makes color the most relative medium in art.” -Josef Albers, Interaction of Color, 1963
  3. Colorblindness Color blindness very rarely means that you can’t see

    any color at all, or that people see things in greyscale.
  4. Colorblindness Color blindness very rarely means that you can’t see

    any color at all, or that people see things in greyscale. It is actually a decreased ability to see color, or a decreased ability to tell colors apart from one another.
  5. What does it look like?

  6. What does it look like? (Red-Green)*

  7. What does it look like? (Red-Green) (Red-Green)*

  8. What does it look like? (Red-Green) (Red-Green)* (Blue-Yellow)

  9. • Don’t rely on color coding alone. • Pay attention

    to contrast. • Check with a [color] simulator. • User testing. But… what can I do?
  10. Simu… what?

  11. None
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  17. Color Accessibility Tools Color Accessibility Tools • Color Oracle: http://colororacle.org

    • Color Brewer: http://colorbrewer2.org Web Safe & Contrast Tools • Tanaguru Contrast-Finder: http://contrast-finder.tanaguru.com • Colorable: http://jxnblk.com/colorable • Color Transformations: http://safecolours.rigdenage.com/colours1.html
  18. Thank you! Comments? Questions?