ChromaVoyager Pro by 33WIN

Advanced color picking from any point on webpage
Color format conversion (HEX, RGB, HSL, CMYK)
Color palette management
Color harmony suggestions
Gradient generator
Color extraction from images
Accessibility contrast checker
Recent colors history
Customizable magnifier tool
Copy to clipboard functionality
Multiple color format support
Saved palettes management
Color harmony visualization
Keyboard shortcuts
User-friendly interface