Color-Only Signal Checker
Review status designs for signals that may rely on color without text or symbols. Runs locally and returns a reviewable report.
No files selected
Input is limited to 200000 characters. Results are computed locally and exported as JSON. Up to 200,000 characters. Review the settings before running.
Your result
How to use Color-Only Signal Checker
- Paste the relevant HTML.
- Run the local heuristic.
- Review flagged status elements and download the report.
A heuristic, not a visual audit
The checker finds likely color-only signals. Confirm contrast, focus and visual meaning in a browser.