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Preview any palette under protanopia, deuteranopia and tritanopia using the Machado et al. (2009) physiological model — original and simulated side by side.
Separate colors with commas. Up to 8 colors are simulated at once.
Severity 1.0 — a scientific approximation of perception under dichromacy, not a medical assessment.
The same palette as it is seen normally and under the selected simulation.
Copy any simulated value.
This is a scientific approximation of color perception under dichromacy (severity 1.0), not a medical diagnosis or a tool for evaluating vision. Use it to check whether palettes remain distinguishable; verify important accessibility decisions with the WCAG contrast checker.