Colour Contrast Analyser (CCA)
Digital accessibility tools
Web accessibility software
- Features
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- Information technology and software
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What is Colour Contrast Analyser (CCA)
Colour Contrast Analyser (CCA) is a desktop accessibility utility used to test color contrast between foreground and background colors against WCAG contrast requirements. It is typically used by designers, developers, and QA teams to validate UI elements in websites and native applications during design reviews and accessibility audits. CCA focuses on point-in-time contrast checks and sampling colors from the screen rather than providing continuous website monitoring or automated remediation overlays.
WCAG contrast checking focus
CCA is purpose-built for evaluating color contrast ratios against WCAG criteria, which makes it straightforward for teams validating visual accessibility. It supports common workflows such as checking text and UI component contrast during design and QA. This narrow scope can reduce setup time compared with broader accessibility platforms that include scanning, governance, and monitoring features.
Works across on-screen content
CCA is designed to sample colors directly from what is displayed on screen, enabling checks on web pages, design mockups, PDFs, and application UIs. This is useful when source code or design tokens are not readily available. It also helps teams validate contrast in real rendered states (e.g., hover, disabled, or selected UI states) rather than only static specifications.
Lightweight desktop workflow
As a desktop tool, CCA can be used without integrating with a CMS, CI pipeline, or website crawler. This makes it practical for individual contributors and small teams that need quick, manual verification. It complements broader accessibility testing by providing a fast way to confirm specific contrast issues found during reviews.
Not a full accessibility audit
CCA addresses color contrast only and does not test other WCAG areas such as keyboard navigation, ARIA semantics, headings structure, or form labeling. Teams still need additional tools and manual testing to perform comprehensive accessibility assessments. In environments where stakeholders expect end-to-end reporting and issue management, CCA functions as a supporting utility rather than a complete solution.
Limited automation and reporting
CCA is primarily a manual checker and does not provide site-wide crawling, scheduled scans, or continuous monitoring. It also typically lacks enterprise features such as centralized dashboards, ticketing integrations, and trend reporting that organizations use for governance. This can make it harder to standardize processes across large web portfolios.
Desktop distribution constraints
Because it is a desktop application, deployment and updates may require local installation and OS compatibility considerations. This can be less convenient for distributed teams that prefer browser-based tools or cloud platforms. It may also be harder to embed into automated QA workflows compared with API-driven or CI-friendly accessibility testing solutions.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Free | $0 | Desktop application for Windows and Mac (official downloads linked on vendor site -> GitHub). Licensed under GNU GPLv3; current version listed as 3.5.5 on the vendor page. No paid tiers or subscription options shown on the official product page. |
Seller details
TPGi (The Paciello Group), a division of Vispero
Clearwater, Florida, USA
Subsidiary
https://www.tpgi.com/arc-platform/
https://x.com/TPGi
https://www.linkedin.com/company/tpgi/
