It provides instant access to the standard OS X Color Wheel with a handy Hex/RGB/Float/HSL translator. This program is a helpful tool in any good Web designer's toolkit and can be easily configured to live in the system toolbar and open with a global hotkey.

Features of ColorWell 7
Palette synchronization with macOS system palettes
Import/Export JSON, Adobe .ase and Apple .clr palette files
Unlimited History/Snapshots
Fully customizable interface
Swift/Objective-C color code generation
Support for changing color by Name, Hex, RGB, HSL, HSB, Lab and CMYK
Color palette generation from image(s)
Color Scheme generator
Can be configured as a menubar app
Technical Details and System Requirements
Supported Operation System: macOS 10.11 or later 64-bit