accessibility · free Companion App · local in this browser

Contrast Remediation Hours

Turn pairs checked, pairs failing, and minutes a fix into a failure share and the hours to correct it.

Privacy: This App does not send or save your entries. Do not enter passwords, codes, full account numbers, or private identifiers.

Enter your numbers

Enter only the details needed for this task. Check them against the original source.

Drag to try another value

Now set to 0. The result, the chart, and the meter follow the slider as you drag. Typing a number in the form above moves the slider to match.

Your result will appear here.

Engine self-test

Running golden cases…

The bars are drawn from the numbers in your result and redraw on every compute. They show no new information and store nothing.

The chart is drawn from your result by this page's script. The text result above carries the same numbers.

W3C Web Accessibility Initiative — Understanding Contrast (Minimum)
WCAG 2.2 requires 4.5:1 contrast for normal text (AA) and 7:1 (AAA), with 3:1 for large text.
Reviewed 2026-10-26. Contrast is one of many accessibility requirements; it does not guarantee legibility on its own.

This App multiplies the pairs you enter. It does not measure contrast ratios or approve a palette.

This free App has no paid features. It does not contact an agency, employer, bank, seller, provider, or other person.