Add meaningful hyperlink text and ScreenTips (e.g., don’t say “Click here” but describe the title of the destination page or URL “How to use Accessibility Checker”).
Sufficient Color Contrast
Make sure there’s good contrast between your text and your background. If you are not sure, there are a ton of free tools you can use to check your contrast such as Leonardo or Accessible Color Pallet Builder.
While the Web Content Accessibility Guidelines (WCAG) exclude logos and images from contrast requirements, it’s best practice to ensure these comply when possible!
Pick Your Font Carefully
Don’t overcrowd your slides or use tiny fonts. Our recommendation is to work with a minimum font size of 18pt, choose Sans Serif fonts and leave sufficient white space between elements.
Tables and Headers
Use the “Accessibility Checker” to ensure your tables don’t contain split/merged/nested cells. If you do have to use tables, make sure they have a simple structure and specify column header information. Use the “Accessibility Checker” to ensure your tables don’t contain split, merged, or nested cells.
Make sure your videos have captions or that you provide audio-descriptions (an audio file which narrates the video for users).
Pro Tip #1: You can apply these general best practices toward any application/program you use to create your presentation (Keynote, Google Slides, etc…). At ilumino, we prefer PowerPoint because of its advanced accessibility features and flexibility.
Pro Tip #2: Creating accessible documents is a hard-earned skillset! Following these best practices for accessible presentations will not necessarily make your deck fully compliant or guarantee that your accessibility additions will carry over if you convert or export to another format. However, it does demonstrate your intent to be inclusive and mindful, so keep up the good work!
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