How to Simulate Color Blindness for Accessible Design

Why color blindness simulation matters

Millions of users perceive color differently. Simulators reveal when charts, buttons, and status colors become indistinguishable.

Common use cases

Review dashboards, test marketing banners, validate game UI palettes, and audit heatmaps before launch.

How to use the Color Blindness Simulator

Upload an image or preview a design, toggle vision types, and compare how hues and contrast shift across simulations.

Privacy-first design review

Unreleased product screenshots stay on your device while you test accessibility scenarios.