Color Palette Generator - Enter the URL of an image and find its color palette
Site Palette - Get the essential colours from any website
Color Hunt - Curated collection of beautiful colors, updated daily
Sketch Palettes - Sketch plugin to save and load colors into the color picker
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!
Palette For Mac - A menu bar based colour contrast analyser