Advanced Color Blindness Simulator от 12Bet Taxi

Simulate different types of color blindness (protanopia, deuteranopia, tritanopia, and achromatopsia)
Apply simulation to all elements on the page, including images
Toggle simulation on/off via popup or context menu
Display an information box about the current simulation
Customize default settings through an options page
Auto-simulate on page load (optional)
Real-time simulation updates on DOM changes
Persistent storage of user preferences