Accessibility design
Recall that universal design involves designing UI that is universally usable for all people. Accessibility design, on the other hand, involves designing with specific impairments and disabilities in mind. In this section, I will discuss a few very specific types of impairments and disabilities and how you can design your UI in such a way that it is accessible to individuals with these impairments and disabilities. A few of these examples will overlap with the ones that I discussed in the universal design section.
Vision
When designing your interfaces, you should consider different types of visual impairments and disabilities, including (but not limited to) color blindness, low vision, and blindness.
Essential information should never be conveyed by color alone and you should always include another way of conveying that information. For example, let’s say a game has a number that is red when negative and green when positive. That number could also...
