Color Blindness Simulator

Color Blindness Simulator outputs copy-ready CSS or config snippets you paste into repos or design systems. Preview images under protanopia, deuteranopia, and tritanopia simulations.

The workspace follows Apex Toolz privacy-first design: processing stays on your device for typical file tasks.

Color Blindness Simulator saves time when preview images under protanopia, deuteranopia, and tritanopia simulations—without desktop installs or mandatory cloud upload.

One bookmark replaces scattered single-purpose sites that re-upload the same files repeatedly.

Use it alongside other development tools on Apex Toolz to chain convert → resize → compress → publish workflows.

• Upload a UI screenshot or design
• Switch between color vision types
• Check contrast and distinguishability
• Share the color-blindness-simulator URL with teammates who need the same utility
• Use Color Blindness Simulator during daily development workflows on Apex Toolz
• Bookmark Color Blindness for repeat tasks your team performs weekly

1. 1Upload a UI screenshot or design.
2. 2Switch between color vision types.
3. 3Check contrast and distinguishability.
4. 4Download or copy the result when processing completes.
5. 5Spot-check one output before processing a large batch.

• Signup is optional on Apex Toolz; tool panels do not require an account to process your files.
• Related tools in the development category appear below—chain tasks without re-uploading elsewhere.

• Extreme inputs may hit practical browser limits before server-side tools would.
• This tool assists manual workflows—it does not replace professional legal, medical, or financial advice.
• Common mistake — skipping spot-check on the first file in a batch: confirm settings on one sample before queueing hundreds.