Color Accessibility Checker

Developer: Dirk Einecke

Current Version: 1.0.1

Last Updated: 4 years ago

Download Size: 175 KB - Download


The designs of sophisticated and professional websites should meet the Web Content Accessibility Guidelines of the World Wide Web Consortium (W3C). This also implies that the selected combination of foreground and background color must meet a predefined difference in brightness and color difference. This is necessary to ensure full access to the content for visitors suffering from deficits in color perception.

The Color Accessibility Checker calculates the difference in brightness and color between two colors. You can either conveniently select the colors via the color picker of Mac OS X or enter an RGB or HEX value.

✓ Display the recommended brightness difference of two colors
✓ Display the recommended color difference of two colors
✓ Determination of the brightness difference of two colors
✓ Determination of the color difference of two colors
✓ Conversion of RGB value to HEX value
✓ Conversion of HEX value to RGB value

Please note: Issues posted to the reviews cannot be addressed. If a problem should arise with the application, please use the support link to the right.


Release Notes:

- Small bug fix in the text of the german localization


More Reviews for Current Version

Version 1.0.1
Review by Tony Webster

Wonderful, but doesn't support WCAG 2.0 - The WCAG 2.0 guidelines calculate contrast ratios, while Color Accessibility Checker only shows values, which is from the old WCAG 1.0 standard. Three stars — I'd give it another if it had WCAG 2.0 standards or the ability to add, import, and export custom standards, and I'd give it a fifth star if it had a better and faster interface for selecting colors on the screen. Other than that, it's a cool app for developers and QA engineers.

Found helpful by 3 out of 3 people