Color Palette Generator - Enter the URL of an image and find its color palette
ssshape - An SVG blob/shape generator that gives you extra controls.
Material Palette - Generate and export your Material Design color palette
Klart.io Colors - A data-driven collection of beautiful color palettes 🌈
Actionable Color Palettes - Collection of 30+ color palettes with a site preview.
Color Palette Manager - This nifty app helps you create, manage and share palettes.