Provide an option which enables users to turn off the background in the software. Turn off the background in response to the High Contrast setting. Provide sufficient contrast in the default background and the text. For example, do not use black text on a gray background. Testing Test the software to ensure that it complies with accessibility requirements.
Several techniques are available to verify that software supports high contrast settings.
For Windows software, turn on the high contrast setting, and check that your application respects that setting. In this example, title bars and menus have different colors. Test at least two high contrast settings to ensure the software is not dependent on a particular setting. Verify that any patterned background can be replaced with a solid background.