contraste ☆
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Description:
Check accessibility of text against Web Content Accessibility Guidelines
Type: Cask  |  Latest Version: 1.0@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: accessibility design wcag colorblind developer-tools
Install: brew install --cask contraste
About:
Contraste is a macOS utility that simulates various forms of color vision deficiency to help designers and developers verify their UI meets accessibility standards. By applying real-time filters to your screen, it allows you to quickly identify and fix contrast issues that could hinder users with visual impairments. This tool is essential for creating inclusive digital experiences that comply with WCAG guidelines.
Key Features:
  • Real-time screen simulation of color blindness types
  • Support for Protanopia, Deuteranopia, and Tritanopia
  • Simple menu bar interface for quick toggling
  • No configuration required for immediate use
Use Cases:
  • Validating color contrast in web and mobile app designs
  • Reviewing data visualizations for accessibility compliance
  • Testing UI mockups before deployment
Alternatives:
  • Stark – More feature-rich with contrast checking, but paid
  • Color Oracle – Cross-platform alternative with similar simulation features
Version History
Detected Version Rev Change Commit
Aug 5, 2025 2:16pm 1.0 0 VERSION_BUMP 568e6fe5
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