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Lumini

Screen Contrast Checker

Validate color values quickly while tuning contrast-safe UI text choices.

Enter a hex color to validate format quickly.

How to use this tool

  1. Enter a 6-digit hex color.
  2. Validate color input format.
  3. Use valid colors in downstream contrast workflows.

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Frequently asked questions

What does this checker validate?
It validates color input format quickly before deeper contrast calculations.
Is this WCAG contrast compliance?
No. It is a fast pre-check; full compliance requires pairwise contrast ratio testing.