ACT

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ACT is a free native macOS application for checking colour contrast against WCAG accessibility requirements.

Cost / License

Free
Proprietary

Origin

United Kingdom

Since

New

Platforms

Mac

Colour picker

Colour code conversion

ACT alternatives

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0articles

Properties

Lightweight
Privacy focused
Local-First
AI-Powered

Features

Portable
No registration required
Ad-free
No Coding Required
No Tracking
Live Preview
Works Offline
Color Picker

Tags

Highlights All activities

Recent activities

ColinS added ACT
about 2 months ago
Mauricio B. Holguin updated ACT
about 2 months ago
ColinS added ACT as alternative to Colour Contrast Analyser, Kontrast, Who Can Use and Wave (accessibility tool)
about 2 months ago

ACT information

Developed by
Colin Shanley
Licensing
Proprietary and Free product.
Alternatives
4 alternatives listed
Badge
Get an embeddable badge for ACT
Supported Languages
- English

AlternativeTo Categories

Photos & Graphics, OS & Utilities, Development

Popular alternatives

ACT was added to AlternativeTo by ColinS on Sep 21, 2026 and this page was last updated Sep 21, 2026.

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What is ACT?

ACT is a free native macOS application for checking colour contrast against WCAG accessibility requirements.

It supports permissive colour-format entry, opacity-aware testing, colour conversion and accessible colour alternatives.

ACT runs locally on the Mac and requires no account, subscription or browser.