Now on iOS

Color Contrast Checker

Input two hex codes to instantly verify WCAG accessibility compliance for text/background combinations, ensuring inclusive design without complex UI.

Design iOS Paid subscription

Hard paywall: Premium subscription (weekly, monthly or yearly) or a one-time Lifetime purchase unlocks the full app.

Auto-renews monthly via Apple's standard subscription system.
Cancel anytime in Settings → Apple ID → Subscriptions.
Refunds are handled by the store that took the payment, under its own policy: Apple at reportaproblem.apple.com, Google Play and the Microsoft Store through your account with them.
No third-party tracking or analytics SDKs inside the app.

Your contact list, photos, location, microphone, or camera.
Any content you enter into the app (notes, logs, data) — it stays on your device unless you explicitly sync.
Identifiers used to track you across other apps.

Full details in our privacy policy.

Color Contrast Checker is live on the App Store. Download it here — listed as Hex Color Contrast. Questions? Email [email protected].