Axe DevTools From $40/mo · Free plan 9.5 Visit Colour Contrast Analyser (CCA)
tpgi.com
Spec sheet
- Purpose
- CCA checks color contrast to help optimize text and visual elements for people with color blindness or low vision.Read 11 Oct 2026 · tpgi.com
- Free plan
- YesRead 23 Sep 2026 · tpgi.com
- Support
- The product page directs questions and bug reports to TPGi’s CCA GitHub repository.Read 11 Oct 2026 · tpgi.com
- Automated scans
- NoRead 23 Sep 2026 · tpgi.com
- Browser extension
- NoRead 23 Sep 2026 · tpgi.com
- CI/CD integration
- NoRead 23 Sep 2026 · tpgi.com
- Color adjustment
- Users can adjust foreground and background colors with sliders to reach a target WCAG success criterion.Read 11 Oct 2026 · tpgi.com
- Color entry
- Users can manually enter or paste color values in HEX, RGB, HSV, and HSL formats.Read 11 Oct 2026 · tpgi.com
- Color picking
- Foreground and background eyedroppers select colors from a page or screen and display the value in HEX by default.Read 11 Oct 2026 · tpgi.com
- Display
- CCA offers light, dark, and system default themes.Read 11 Oct 2026 · tpgi.com
- Distribution and warranty
- The page says CCA is distributed without warranty and points users to the GNU General Public License for details.Read 11 Oct 2026 · tpgi.com
- Maker history
- TPGi’s roots date to 2002, when Mike Paciello founded The Paciello Group; TPGi is now presented on Vispero’s site.Read 11 Oct 2026 · tpgi.com
- Manual review tools
- NoRead 23 Sep 2026 · tpgi.com
- Preferences
- Preferences include ratio precision, automatic updates, the application language, and picker shortcut keys; the page lists 12 languages.Read 11 Oct 2026 · tpgi.com
- Remediation guidance
- NoRead 23 Sep 2026 · tpgi.com
- Reporting
- Users can copy contrast test results in short or long formats for assessment reports.Read 11 Oct 2026 · tpgi.com
- Standards
- CCA displays contrast ratio results according to WCAG 2.0, 2.1, and 2.2.Read 11 Oct 2026 · tpgi.com
- Transparency
- CCA supports alpha transparency values for foreground colors.Read 11 Oct 2026 · tpgi.com
- Use cases
- The checker can be used for websites, app development, social media graphics, PowerPoint slides, PDFs, and InDesign files.Read 11 Oct 2026 · tpgi.com
- Vision simulation
- The color blindness simulator checks contrast across eight vision deficiency settings.Read 11 Oct 2026 · tpgi.com
- WCAG coverage
- wcag 2.2Read 23 Sep 2026 · tpgi.com
Plans and prices
Free Free Free colour contrast checker; current version 3.5.5 Read 11 Oct 2026 · tpgi.com
Where Specifiction places it
- Accessibility Testing Software#95 of 1697.8
- Website Accessibility Tools#80 of 1337.7
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