Colour Contrast Analyser (CCA)

What is Colour Contrast Analyser (CCA)?

TPGi’s free Colour Contrast Analyser (CCA) checks if the contrast ratios on digital content (PDFS, PowerPoints, native desktop apps, websites, etc) is legible to users who are colorblind or have low vision.

Categories & Use Cases

Usability Testing
Accessibility Testing

Media

Screenshot of The Colour Contrast Analyser tool showing a black foreground color and white background color. Below, the tool reports that this color pairing has a contrast ratio of 21:1 and is WCAG compliant.

Screenshot of The Colour Contrast Analyser tool showing a purple foreground color and teal background color. Below, the tool reports that this color pairing fails WCAG standards.

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Screenshot of The Colour Contrast Analyser tool showing a black foreground color and white background color. Below, the tool reports that this color pairing has a contrast ratio of 21:1 and is WCAG compliant.

Crownpeak Digital Accessibility and Quality

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Colour Contrast Analyser (CCA)

What is Colour Contrast Analyser (CCA)?

Categories & Use Cases

Media

Colour Contrast Analyser (CCA) Alternatives