Color Palette Generator - Enter the URL of an image and find its color palette
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!
Image2Palette - Sketch plugin to generate color palette from image layer
Pandacolors - One click color generator with real time preview
Adaptive Backgrounds - Extract dominant colours from images
Klart.io Colors - A data-driven collection of beautiful color palettes 🌈