Audience

Organizations focused on ADA compliance or creating inclusive experiences

About Colour Contrast Analyser (CCA)

Implementing high color contrast helps make your website accessible to users who are colorblind or have low vision. TPGi’s free Colour Contrast Analyser (CCA) allows you to check the color contrast ratio of your digital content (PDFs, PowerPoints, native desktop apps, websites, etc).

1. To start, select a foreground and a background color (of either text or non-text elements) on the website. Use either the eyedropper tool, raw text entry or RGB sliders.

2. The CCA measures if the contrast is WCAG 2.1 compliant. (The CCA supports alpha transparency on foreground colors, which helps make this an accurate measurement.)

3. If the contrast isn’t compliant, you can make corrections.

4. Also, check out the Color Blindness Simulator for a different way to visualize if the colors have high enough contrast.

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Pricing

Free Version:
Free Version available.

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Company Information

TPGi
Founded: 2002
United States
www.tpgi.com/color-contrast-checker/

Videos and Screen Captures

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.

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.

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. 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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Product Details

Platforms Supported
Windows
Mac
Linux
Training
Documentation
Support
Not Offered

Colour Contrast Analyser (CCA) Frequently Asked Questions

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Colour Contrast Analyser (CCA) Product Features

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