ContrastLab

Graphics & Design

Free · Designed for iPad. Not verified for macOS.

Check color contrast, preview color-vision differences, and build more readable designs. Fully offline and private. ContrastLab helps you create color combinations that are easier to read and more accessible. Check foreground and background colors against WCAG AA and AAA standards, preview color-vision differences, test text sizes, and fine-tune colors with live updates. You can also sample colors from photos or identify colors with the camera. Everything works offline and stays on your device. ContrastLab does not require an account and does not use analytics, tracking, or third-party services. KEY FEATURES • Check Color Contrast Instantly Analyse color combinations with real-time WCAG accessibility scoring. • Preview Before You Build See how your colors look across real interface previews and different text sizes. • Fine Tune Every Color Adjust hue, saturation, lightness, RGB values, and hex codes with live updates. • Simulate Color Blindness Preview protanopia, deuteranopia, and tritanopia to design for more people. • Improve Text Readability Test normal and large text against AA and AAA accessibility standards. • Save Favorites and Track Analyses Organise favorite palettes and revisit previous accessibility checks with color history. • Learn Why Accessibility Matters Understand color contrast and accessible design through interactive educational content. ContrastLab is made for designers, developers, students, and anyone who wants to create clearer digital experiences. Made by Faizan Shaikh.

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

The developer, Mohd Faizan Sheikh, 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.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer indicated that this app supports the following accessibility features. Learn More

    • Supported Features

      • VoiceOver

      • Larger Text

      • Dark Interface

      • Differentiate Without Color Alone

      • Sufficient Contrast

      • Reduced Motion

    Information

    Seller
    • Mohd Faizan Sheikh
    Size
    • 2.2 MB
    Category
    • Graphics & Design
    Compatibility
    Requires iOS 17.6 or later.
    • iPhone
      Requires iOS 17.6 or later.
    • iPad
      Requires iPadOS 17.6 or later.
    • Mac
      Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.3 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Faizan Sheikh
  • Privacy Policy