This Figma file includes annotations to use on your designs prior to developer hand off. These annotations let you note accessibility information like desired tab order, screen reader labels, headings, and landmarks. Pull directly from the file or turn on the accessibility annotations in your Figma assets list.
Free application in the Mac App Store that can simulate various color blindness disorders.
How does this help? When you're designing something that uses color (yes, that's everything), you can use this app to see the design as someone who has color blindness would see it, and check if it still makes sense.