Vischeck and the Colorblind Web Page Filter are two websites you can use to check the accessibility of your web pages for people who are color blind.

To check a web page with Vischeck:

  1. Visit https://www.vischeck.com/vischeck/ and select “Run Vischeck on a web page.”
  2. Select the type of color blindness you want to simulate at the top of the page.
    Vischeck options for colorblind simulations.
  3. Enter the web address of the web page you want to check and select Run Vischeck!
    Enter a URL and choose Run Vischeck to run a simulation.
  4. On the results page, click on the link for the simulation you selected. This will show you the web page as it would appear to a person with the type of color blindness you selected.
    Vischeck results.

To check a web page with the Colorblind Web Page Filter:

  1. Visit https://colorfilter.wickline.org/.
  2. Enter the web address of a website you want to check in the Type a URL text box.
    Colorblind Webpage Filter: enter a URL and choose Fetch and filter!
  3. Select the type of color blindness you want to simulate from the pull down menu.
    In Colorblind Webpage Filter, use pulldown menu to select a the type of color blindness to simulate.
  4. Choose “Fetch and Filter.”

After a few seconds, you should see the website open with the colors as they would appear to someone who has the type of color blindness you selected.

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