Color Hunter - Color Hunter is a place to find and make color palettes created from images.
Color Palette Generator - Enter the URL of an image and find its color palette
OpenCV - OpenCV is the world's biggest computer vision library
Color Hunt - Curated collection of beautiful colors, updated daily
GraphicsMagick - GraphicsMagick is the swiss army knife of image processing.
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!