Just Color Picker - Free portable colour picker and colour editor for web designers, photographers, graphic designers and digital artists. Supports Windows and macOS.
ColorMania - Colormania is an advanced color picker utility, especially created
Sip - A better way to collect, organize & share your colors.
Paletter - Easiest way to create professional color palettes
Instant Eyedropper - Identifying the color code of an object on the screen is usually an involved, multistep process:...
gpick - A color picker and color scheme creation tool.