Contrastly: WCAG Checker
Pick Colors, Fix Contrast
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Pick colors from screenshots, fix contrast to AA/AAA, compare options, and export professional PDF reports for WCAG accessibility checks.
Contrastly helps UI designers and frontend developers check, fix, and document color contrast faster. Test foreground and background colors, pick colors directly from screenshots, generate AA/AAA-friendly alternatives, compare multiple options, and export professional WCAG reports.
Built for real design and development workflows
• Check color contrast instantly with WCAG-based evaluation.
• Preview combinations in realistic UI, text, and icon contexts.
• Pick foreground and background colors directly from screenshots or photos.
• Fix color pairs to AA or AAA while keeping your chosen color locked.
• Save checks, compare options, and export shareable PDF reports.
Designed for
• UI designers reviewing interfaces and design specs.
• Frontend developers validating production colors.
• Teams preparing accessibility handoff and client delivery materials.
Pro features include
• PDF accessibility report export.
• Color picking from images and screenshots.
• Fix to AA / AAA.
• Compare mode.
• Favorites and unlimited history.
Privacy Policy:
https://labs-time.web.app/Contrastly-privacy.html
Terms of Use:
https://labs-time.web.app/Contrastly-terms.html
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
What's New in This Version
• Pick colors directly from screenshots or photos
• Fix color pairs to AA or AAA while keeping one color locked
• Improved workflow for faster accessibility checks
The developer, 帆 张, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 帆 张
- Size
- 3 MB
- Category
- Developer Tools
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 7 more
- English, Arabic, French, German, Japanese, Korean, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Unlock Pro (Yearly) $7.99
- Unlimited Export (Lifetime) $17.99
- Copyright
- © 2026 Contrastly