Color vision simulator
Preview approximations of a color under four color-vision conditions. Compare original and simulated swatches in your browser.
Features
- Choose a base color to examine.
- Simulate protanopia, deuteranopia, tritanopia or achromatopsia.
- Compare original and simulated HEX values.
How to use this tool
- Select a color.
- Choose a simulation and process it.
- Compare the swatches and copy the results if needed.
Good to know
This tool is free without sign-up, with unlimited processing and exports within the displayed input limits.
- This is an approximate single-color simulation, not a diagnostic test or full-page accessibility assessment.
Privacy and local processing
This tool processes your input in your browser. Source files and text are not uploaded to a FormatOwl processing server. Advanced-tool access and trial balances are checked online using tool IDs, file types, sizes and page counts. Free tools do not require account authorization. Save the results you need before leaving or refreshing the page.
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