Color Palette Generator - Enter the URL of an image and find its color palette
Palette Ninja - Create harmonious color schemes
Color Hunter - Color Hunter is a place to find and make color palettes created from images.
COLOURlovers - COLOURlovers is a creative community where people from around the world create and share colors, palettes and patterns, discuss the latest trends and explore colorful articles... All in the spirit of love
Colormind.io - A color palette generator powered by deep learning.
Adobe Color CC - Generates color themes that can inspire any project.