This tool is best for testing color contrast of text against a background. WCAG Ratings (AA or AAA) are provided for color combinations based on vision impairment type. Browser-based tool
Color Oracle is a color blindness simulator and applies a full screen color filter to mimic three different types of colorblindness (deuteranopia, protanopia, and tritanopia). Executable file that requires dowloading. Java is also required to run this program on your computer.
