Use the Colorblind Colorlab to select safe colors earlier in the design process.Visit site »
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Create beautiful, accessible, and adaptive color systems using contrast-ratio based generated colors.
This is a tool to help designers build color palettes with combinations that conform with accessibility standards.
We evaluate your color combination using the WCAG 2.0 guidelines for contrast accessibility. If your combination does not meet the guidelines, we find the closest accessible combination by modifying the color lightness.
Here at Pa11y, we think making the web more accessible improves it for everyone. So we publish a range of free and open source tools to help designers and developers make their web pages more accessible:
Empowering designers with beautiful and accessible color palettes based on WCAG Guidelines of text and background contrast ratios.
Use the Colorblind Colorlab to select safe colors earlier in the design process.
Color contrast is an important aspect of accessibility. Good contrast makes it easier for people with visual impairments to use products, and helps in imperfect conditions like low-light environments or older screens.
This tool shows you how ADA compliant your colors are in relation to each other. By adding your brand’s colors on the right, you can generate a chart to see how they can be used together for accessibility, and find similar colors that work better.
Take a set color palette and get contrast values for every possible combination – useful for finding safe color combinations with predefined colors and includes pass/fail scores for the WCAG accessibility guidelines.