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Cartography for Color Blindness Khem So 9/21/2011.

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Presentation on theme: "Cartography for Color Blindness Khem So 9/21/2011."— Presentation transcript:

1 Cartography for Color Blindness Khem So (khem_so@fws.gov) 9/21/2011

2 Why design for colorblindness? The frequency of colorblindness is fairly high. – 7 to 10% of the overall male population is red-green colorblind. Colorblind people cannot distinguish certain colors

3 What you can do! Color Universal Design http://jfly.iam.u-tokyo.ac.jp/color/ http://jfly.iam.u-tokyo.ac.jp/color/

4 More things you can do! Select colors that are easier to distinguish (e.g., ColorBrewer) Ensure that there is enough contrasts in brightness & saturation between foreground and background Make texts or objects as thick or BIG as possible Caution when using RED

5 Resources ColorBrewer 2.0 http://colorbrewer2.org/ http://colorbrewer2.org/

6 Resources Color Deficiency Color Set for ArcMap http://mappingcenter.esri.com/index. cfm?fa=arcgisResources.gateway http://mappingcenter.esri.com/index. cfm?fa=arcgisResources.gateway

7 Resources Color Oracle http://colororacle.cartography.ch/ http://colororacle.cartography.ch/ – Real-time colorblindness simulator – Design Tips for Color Vision Impaired Vischeck http://www.vischeck.com/ http://www.vischeck.com/ – Simulates colorblindness on your image Colorblind filters in GIMP & Photoshop


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