Color Palette Generator - Enter the URL of an image and find its color palette
Material Palette - Generate and export your Material Design color palette
Mobile Palette Generator - Generate color palettes with a click of the mouse
Klart.io Colors - A data-driven collection of beautiful color palettes 🌈
Site Palette - Get the essential colours from any website
Color Palette Manager - This nifty app helps you create, manage and share palettes.