Persistent Color Picker gives the default OS X Color Picker its own window. You'll never again lose the color panel when you switch between applications; It's just always there when you need it!
Copy and paste color values from HTML, CSS, Objective-C, or MacRuby code. Choose between various formats for use when copying to the clipboard.
Use the loupe to pick up colors from anywhere on your screen. Easily create color palettes and share these between all your apps.
Mac OS X 10.7,
Mac OS X 10.8,
Mac OS X 10.9