Color Blindness Simulator is described as 'ColorBlindSimulator.app is a free, browser-based tool designed to help anyone—from designers and developers to educators and curious explorers—understand how the world appears through the eyes of those with color vision deficiencies' and is an website in the os & utilities category. There are five alternatives to Color Blindness Simulator, not only websites but also apps for Mac, Windows and Linux. The best Color Blindness Simulator alternative is DaltonLens, which is both free and Open Source. Other great sites and apps similar to Color Blindness Simulator are Color Oracle, Sim Daltonism, RGBlind.com and Coloursimulations.