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Contrast
A macOS app for quick access to WCAG color contrast ratios — Contrast is a macOS app for designers and developers that provides quick access to WCAG color contrast ratios
verified Jul 13, 2026 · HTTP 200
CohortClass of 2017What it is
A macOS app for quick access to WCAG color contrast ratios — Contrast is a macOS app for designers and developers that provides quick access to WCAG color contrast ratios. [Mac, Design Tools, Developer Tools]
HTTP liveness
13 probes since Jun 13Jun 13Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 13, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
422/4 signal families
Liveness40%1.00
Press30%no data
GitHub20%no data
Tranco10%0.23
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2017weekly
13,497 products launched in 2017 · 100% still active
13,462 active35 sunset
Still active
100%
Median lifespan
4.9y