Color Palette Generator - Enter the URL of an image and find its color palette
Material Palette - Generate and export your Material Design color palette
Culrs - A simple, smart approach to choose color palettes
Klart.io Colors - A data-driven collection of beautiful color palettes 🌈
Happy Hues - Curated color palettes in action
Color Palette Manager - This nifty app helps you create, manage and share palettes.