Contrast Checker
Use Contrast Checker to inspect foreground and report an inspection report; the workspace turns foreground into an inspection report without hiding the relevant controls.
How to Use Contrast Checker
- Prepare foreground and enter or select Foreground, Background in the workspace.
- Review the available options, then choose Inspect Contrast Checker to run the task.
- Inspect an inspection report, compare it with the source and selected settings, and save or copy it only after it meets your requirements.
What Is the Contrast Checker?
The Contrast Checker is a free online utility that helps you check foreground and background color contrast for WCAG readability targets. It provides a focused workspace for designers, front-end developers, marketers, and accessibility teams.
Use this color tool to evaluate palettes, readable combinations, and accessible presentation choices before shipping a design. The current interface gives you Foreground, Background so the task can be completed without navigating away from the page.
Key features
- Foreground
- Background
When to Use This Tool
- Quick one-off tasks using the Contrast Checker without setting up a separate desktop utility.
- Checking or preparing data while debugging, documenting, publishing, or testing a workflow.
- Creating a clean result that can be copied, downloaded, or transferred into another application.
Tips for better results
- Check important text and controls in both normal and interaction states.
- Do not rely on color alone to communicate status or meaning.
- Test final colors in the real component because surrounding colors can change perceived contrast.
Contrast Checker Example
Upload a copy of a 1600 × 900 sample image, adjust Foreground, Background, and compare the preview with the downloaded result before processing production artwork.
Frequently Asked Questions
Which input works best in Contrast Checker?
Provide foreground. When available, complete Foreground, Background with representative, correctly formatted values before running the primary action.
How do I verify the output from Contrast Checker?
Review an inspection report for completeness and compare it with the original input, selected options, and the requirements of the application where you will use it.
Does Contrast Checker replace the original image?
Keep the original image until you have checked dimensions, transparency, color, animation, and visible quality in the exported result.