ColorZilla - ColorZilla is an extension for Mozilla Firefox and the Mozilla Suite.
Swatches - A fun and accurate color picker for the real world
System Color Picker - Pick colors from anywhere using the built-in color picker.
Chroma - Welcome to Chroma Cutlery Cnife - Manufacturer of kitchen knives, includes products and contact information.
gpick - A color picker and color scheme creation tool.
ColorSnapper - The missing color picker for Mac.