Avoid using color alone to highlight important information

Posted: June 7, 2020 at 9:09 am, Last Updated: June 7, 2020 at 10:23 am

Using color alone to identify or emphasize important information could impact individuals with visual challenges (i.e., low vision, colorblindness).

Example of poor use of color


In this example, the US, Canada, and Germany are identified by color alone.


More accessible version of same chart


Using the same chart, now color, line type (i.e., dashed, solid), and labels are used to distinguish between the different countries.

Write to Korey Singleton at ksinglet@gmu.edu