Material Design Palette Generator - Get perfect Material Design palettes from any hex color.
Color Palette Generator - Enter the URL of an image and find its color palette
Social Colors - Click-&-Copy the colors of various websites
Material Palette - Generate and export your Material Design color palette
Klart.io Colors - A data-driven collection of beautiful color palettes 🌈
Brand Colors - A color collection available in sass, less, stylus and css