---
title: Check Every Pair In A Palette For Readable Contrast — Free
description: Enter your palette colours and get the WCAG contrast ratio for every pair, whether each passes AA and AAA for normal and large text, and which combinations you can't use. Runs locally.
category: creative
last_verified: 2026-09-12
freshness: green
published: 2026-09-12
canonical_url: https://gratis-ai.pages.dev/articles/color-palette-contrast-checker.html
companion_app_url: https://gratis-ai.pages.dev/apps/color-palette-contrast-checker.html
reading_time_minutes: 4
tags: creative, design, accessibility, colour, web, no-account
---

# Check Every Pair In A Palette For Readable Contrast — Free

Enter your palette colours and get the WCAG contrast ratio for every pair, whether each passes AA and AAA for normal and large text, and which combinations you can't use. Runs locally.

**Free and complete.** This guide is a standalone free tool — no account, no card, anywhere. The only paid option is one optional extra outcome: $4 one-time. Nothing in the free tier is gated.

## Who it's for

Designers and developers who pick a palette they like and discover the accessibility problem at review

## What's free

- Unlimited palette colours
- Contrast ratio for every pair
- AA and AAA verdicts for normal and large text

## Optional paid add-on

**$4 one-time.**

- Printable spec sheet — every pair on one sheet — estimate: ~15 min saved.
- Saved palettes shelf — up to 8 palettes in this browser — estimate: ~12 min saved.
- Token export — passing pairs as usable combos — estimate: ~20 min saved.

## Sources & verification

- Tool: Local WCAG contrast calculator (no model needed)
- Primary source: the free tool itself (local-first, no external dependency)
- Last verification: 2026-09-12 (green)

## Use it

- Interactive guide: https://gratis-ai.pages.dev/articles/color-palette-contrast-checker.html
- Companion app: https://gratis-ai.pages.dev/apps/color-palette-contrast-checker.html
- This machine-readable mirror: /mirrors/color-palette-contrast-checker.md

*Generated free at https://gratis-ai.pages.dev/articles/color-palette-contrast-checker.html — every guide on GratisAI is a complete, working tool. $0, no account, no card, anywhere.*