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Color Contrast Checker (WCAG) Vs Alternatives
Color Contrast Checker (WCAG) is one of three common ways to check contrast: this browser tool, a desktop accessibility app, or an upload-based online checker. Each trades off differently on where your colors go and what you need installed.
How Color Contrast Checker (WCAG) compares
| Aspect | This tool | Desktop accessibility app | Upload-based online checker |
|---|---|---|---|
| Where your colors go | Stay in this tab | Stay on this device | Uploaded to a server |
| Install required | No | Yes | No |
| Works without an account | Yes | Yes | Varies by service |
| Formula | W3C relative luminance (WCAG 2.1) | Varies | Varies |
| Best for | Quick HEX pair checks | Full audits offline | Team workflows with cloud accounts |
Choose this page when you have two HEX colors, want AA / AAA verdicts in one glance, and do not want to upload a mockup or install a suite.
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