Material Palette - Generate and export your Material Design color palette
match.color.io - Automatically match colors of any image or movie with ML
Color Hunt - Curated collection of beautiful colors, updated daily
Color Palette Generator - Enter the URL of an image and find its color palette
Swatches - A fun and accurate color picker for the real world
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!