Color contrast: tools to help you designing beautiful & accessible user interfaces 🎨

About 10% of the population - mostly males - has a form of colorblindness.
Color Oracle is a free color blindness simulator for Windows, Mac OS and Linux. It shows in real time what people with common color vision impairments see.

Another good tool to test color-contrast ratio quickly.

A classical tool, made by Google in 2014, to help you to build accessible color palette for your user interfaces and measure the accessibility of your own color combinations.

Find, test & explore accessible colors. A pleasant and intuitive tool to help designers to build color palettes. Certainly the tool I use the most when I'm doing visual design.

A tool to help designers to find color combinations that provide the best color contrast ratio.