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