Easy Color Picker是Mac电脑上的一款简单易用的颜色检测工具，比常见的取色器更准确，专为Web开发人员和Web设计师设计，带有全局快捷键，取色结果可直接点击复制,并附带截图功能
After the App started, there will be a ‘ECP’ tray-icon on the top menu, click the tray-icon and click the ‘Start Pick Color’ to start picking color (Or press keyboard shortcut: [Control]+[Shift]+[A] to start picking color);
FYI:
Compatibility: macOS 10.13 or later • Apple Silicon or Intel Core processor
Mac App Store