Image & design tool

Contrast Checker

Check text and background color contrast ratio for readability.

Privacy note: This tool works in your browser where possible. We do not store your input.

Tool guide

About Contrast Checker

Check whether text and background colors have enough contrast for readable interface design.

How it works

Enter foreground and background colors. The tool calculates contrast ratio and basic WCAG pass/fail guidance.

Why this page is useful

Contrast Checker is designed to solve one clear task without forcing users through signups, popups, or confusing navigation. The page explains the purpose of the tool, provides practical examples, and keeps the main controls close to the content so visitors can understand what they are using before they act.

Common use cases

  • Improve readability
  • Audit UI colors
  • Check buttons
  • Design accessible pages
Privacy and trust: Tool processing happens in your browser where possible. No unnecessary account creation is required, and users should always verify generated results before using them in professional, academic, or production work.

Review the result

Check the output carefully, especially when using generated text, code, schema, calculations, or SEO tags on a live website.

Use original content

For search and AdSense quality, combine tool output with your own examples, explanations, and real experience instead of publishing generic content.

Works on mobile

The interface is built for desktop and mobile screens, with readable labels, clear actions, and space for ads without covering the main content.

FAQs

Is this design tool free?

Yes. It is free and works in your browser where possible.

Is my input stored?

No storage is added by this page. Inputs are processed locally where possible.

Can I use generated CSS?

Yes. Copy the result and test it in your own project before publishing.

Does it work on mobile?

Yes. The interface is responsive for phones, tablets, and desktop screens.