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WittySparks / Technology / Software / Do you consider Accessibility Color and Contrast?
Accessibility Color Contrast Tools and Testing

Do you consider Accessibility Color and Contrast?

Software March 22, 2015 by Sravan K

Color plays a key role when it comes to Accessibility. Though your site has good content, if it is not accessible or readable to the users who are colorblind, what is the use of such a site? That means you are actually ignoring 4.5% to 8% of the population.

4.5% to 8% is a huge user base; for example, consider Britain, where there are approximately 2.7 million color blind people and males. So think how many people live in this world with color (color) blindness (color vision deficiency, or CVD).

If you are not making your App accessible friendly by using proper colors and contrast, that means you are actually not considering or giving importance to the millions of people who are colorblind.

Most of the designer’s job is to consider appropriate colors by keeping proper accessibility in mind. And this doesn’t mean that you should use color alone to convey a different kind of information.

I came across a couple of interesting tools or sites that help you pick the right color codes by considering WCAG accessibility guidelines. The following tools even perform Color contrast testing and help you make your site or app more accessible.

  1. Colorable is a color contrast tester, which tests the combination of foreground and background color contrast for better readability. Just input the color you have decided to use in your App; this tool helps you choose the right contrast values for every possible combination and even provides you pass/fail scores for the colors you choose.
  2. Colors is another color palette tool, which helps you for preparing/skinning your prototypes. This tool provides a set of skin classes that can be used while prototyping in the browser. Also, you could check around 90+ examples of A11Y compliant color combos.
  3. Color Contrast Checker is a tool that helps you to check the contrast ratio.
  4. Colour Contrast Check is another tool to test color contrast, which allows one to choose foreground and background color based on which it provides whether the colors are WCAG 2 AA Compliant (18pt+), WCAG 2 AAA Compliant (18pt+), or not.
  5. IDI Web Accessibility Checker: This tool checks the HTML page to test the accessibility standards to ensure everyone accesses the content.

To understand and to know the importance of color in accessibility, refer to the following Colour Accessibility pocket guide by By Geri Coady, which helps you to create accessible, friendly designs that are accessible to people with color blindness.

I hope this helps designers and developers understand the importance of Color & Contrast in Accessibility. Why not share your opinion about the same?

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About Sravan K

Contributor at WittySparks
WittySparks Staff

Sravan is a highly experienced web designer, user experience designer and developer. You can connect with him on Twitter or LinkedIn and initiate a chat.

View all posts by Sravan K

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