Sim Daltonism App Reviews

Outstanding application, unique and useful (for color blindness analysis). The updated version is a major redesign and improvement

We are doing some accessibility testing for our site and this tool has been immensely helpful in choosing the correct colors for some important charts are graphs. The only issue I had was on multiple monitors it would crash moving between screens. If that bug is fixed this is a 5 star app for accessibility!

I’ve long used SimDaltonism as a stand-alone app to evaluate how websites appear to those affected by many types of color blindness, and I’m glad to see it’s still around. Any time I use color, I like to do a quick run through all the types (by typing Command-1 through Command-9 in sequence) to get an idea of how differentiable the selected colors are to all users. It’s an important tool supporting what should be a content developer’s highest goal: Ensuring content is equally accessible to all.

A must-have for designing with accessibility in mind and for analyzing someone else’s work. Also great for educating other designers on how people with color blindness actually see their work.