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ACT

AI-powered WCAG contrast analysis. FREE.

ACT is a free native macOS colour contrast checker for testing WCAG accessibility. Check foreground and background colours, adjust opacity, compare colour values and find accessible alternatives. ACT runs locally on your Mac and requires no account, subscription or browser.

Top comment

ACT started as a practical tool for checking colour contrast while designing accessible interfaces. I wanted a native macOS app that made it quick to test foreground and background colours, understand WCAG results and experiment with accessible alternatives without relying on a browser-based checker. ACT is completely free, runs locally and does not require an account or subscription. Feedback is very welcome, particularly from accessibility specialists, designers and developers.

About ACT on Product Hunt

AI-powered WCAG contrast analysis. FREE.

ACT was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #93 on the daily leaderboard. ACT is a free native macOS colour contrast checker for testing WCAG accessibility. Check foreground and background colours, adjust opacity, compare colour values and find accessible alternatives. ACT runs locally on your Mac and requires no account, subscription or browser.

On the analytics side, ACT competes within Mac, Design Tools and Inclusivity — topics that collectively have 367.1k followers on Product Hunt. The dashboard above tracks how ACT performed against the three products that launched closest to it on the same day.

Who hunted ACT?

ACT was hunted by Colin Shanley. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.

For a complete overview of ACT including community comment highlights and product details, visit the product overview.