Selecting Compliant Style Colors
Adhering to WCAG 2.0 criteria for color contrast can be important for many organizations to meet the needs of their users. The following articles and websites are resources for understanding guidelines regarding colors.
Understanding Color Contrast
The World Wide Web Consortium has detailed extensively the guidelines for color contrast on the web with examples.
This is an excellent resource for assembling compliant color palettes to be used to style your map
Wave Accessibility Checker
After applying compliant styles to your map, test that it passes contrast tests using this tool from WebAIM
Adding Social Media Links to the Footer with ALT Tags
Your map's sidebar footer can be used for many things. One of the most common, and recommended uses, is social media links. In order to do so in a compliant way, be sure to edit you footer in HTML and include ALT Tags.
Below you will find ample code for social media icons with alt tags. Just update your own social media URLs in the HTML: