Contrast Checker - WCAG 2.1

Brandy Disher

Contains ads

About this app

Ensure your digital designs, mobile apps, and graphic assets meet accessibility standards while speeding up your design workflow. Contrast Checker & Color Picker combines a precision pixel eyedropper with an instant WCAG 2.1 contrast analyzer, making it an essential utility for UI/UX designers, graphic artists, web developers, and accessibility auditors.

Whether you need to extract exact hex codes from an inspiration image or test contrast compliance on an app mockup, you can do it right from your mobile device without launching heavy desktop software.

Key Features for Designers & Developers:

Screenshot Color Eyedropper & Hex Finder: Upload any screenshot, artwork, or graphic from your device. Tap anywhere on the image canvas to sample exact pixel colors, instantly extract their 6-digit hex codes, and copy or apply them directly to your palette.

Instant WCAG 2.1 Compliance Scoring: Get immediate contrast ratio calculations complete with clear pass/fail indicators for:

AA Normal Text (4.5:1)

AA Large / Bold Text (3.0:1)

AAA Normal Text (7.0:1)

AAA Large / Bold Text (4.5:1)

1-Tap Color Auto-Fix: Color pairing failing contrast guidelines? Tap "Auto-Fix" to automatically adjust the foreground color’s luminance until it reaches the minimum 4.5:1 passing threshold while keeping the original hue intact.

Interactive Live Preview: View your color pairings in context with a live preview box containing sample headings, body paragraphs, and styled interactive buttons.

1-Tap Color Swapping (⇄): Easily flip foreground and background values with a single tap to evaluate dark mode layouts, high-contrast states, and inverted color schemes.

Manual Hex Code & Palette Controls: Type custom 6-digit hex values directly, copy extracted hex codes to your clipboard, or tweak shades smoothly with visual color wheels.

100% Offline & Private: Runs entirely on your local device with zero account logins, no network latency, and no external tracking.

From grabbing hex codes out of photos on the fly to running comprehensive accessibility checks before shipping an app, Contrast Checker & Color Picker streamlines your creative and development process.