This online tool tests if the color combos are compliant with WCAG 2.0 minimum contrast. I like using it to test color combinations for buttons and text colors on different background colors.
When a designer revises an existing corporate palette for accessibility, the real challenge is to sell it to stakeholders. The Designer Colin Shanley shares his insights about testing a color palette for accessibility and how to persuade stakeholders to adopt the changes.
Illustration: Colin Shanley
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.
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.