Just Color Picker - Free portable colour picker and colour editor for web designers, photographers, graphic designers and digital artists. Supports Windows and macOS.
Color Picker by RedKetchup.io - Pick colors from an image, sampler, or spectrum. Convert HEX, RGB, HSL, HSV, CMYK, HTML/CSS colors. Select colors from a PNG, JPEG, WEBP, HEIC, GIF, ICO, TIFF, BMP, or SVG image.
ColorSnapper - The missing color picker for Mac.
Image Color Picker by PineTools - Pick color from an image. Pinetools' online image color picker.
Sip - A better way to collect, organize & share your colors.
Bundler - Easy ZIP sharing for iPhone