Just Color Picker - Free portable colour picker and colour editor for web designers, photographers, graphic designers and digital artists. Supports Windows and macOS.
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ColorMania - Colormania is an advanced color picker utility, especially created
Color Hunt - Curated collection of beautiful colors, updated daily
Paletter - Easiest way to create professional color palettes
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!