CoBlind

What is Color Blindness?

Around 300 million people worldwide have some form of color blindness. Most can still see colors—just not the way you might expect. Red-green color blindness is the most common type, affecting about 8% of men and 0.5% of women with Northern European ancestry.Here's what's happening: your retina has cone cells that detect red, green, and blue light. Most of us have all three working normally.

Why Simulate Color Blindness?

Simulation lets you see your work through someone else's eyes—literally. It's not just about checking a compliance box.

Who Benefits from Color Blindness Simulation?

UI/UX DesignersCheck that your buttons, form states, and navigation actually look different to everyone—not just people with typical color vision.Web DevelopersMake sure your error messages, loading states, and interactive elements communicate clearly without depending on color alone.Data Visualization SpecialistsCharts and graphs can turn into a mess of indistinguishable colors.

Why Choose CoBlind?

Instant ResultsReal-time simulation with no waiting. Upload an image and see results in milliseconds.100% PrivateAll processing happens in your browser. Your images and data never touch our servers.Scientifically AccurateUses validated color transformation matrices based on peer-reviewed vision research.Always FreeNo hidden costs, subscriptions, or feature limitations.