Colordot for iOS - A color picker for humans.
Just Color Picker - Free portable colour picker and colour editor for web designers, photographers, graphic designers and digital artists. Supports Windows and macOS.
MagicPicker - An advanced color picker for Photoshop & Illustrator 🎨
Developer Color Picker - A custom color picker designed specifically for developers.
Lumu Power - Turn your iPhone into a professional color and light meter.
ColorZilla - ColorZilla is an extension for Mozilla Firefox and the Mozilla Suite.