Material Palette - Generate and export your Material Design color palette
Sketch Palettes - Sketch plugin to save and load colors into the color picker
Color Palette Generator - Enter the URL of an image and find its color palette
Mute Crimson+ - A 'noir' style ninja action platforming adventure
Color Hunt - Curated collection of beautiful colors, updated daily
Klart.io Colors - A data-driven collection of beautiful color palettes 🌈