CSSGradient.io - As a free css gradient generator tool, this website lets you create a colorful gradient background for your website, blog, or social media profile.
Swach - A robust color management tool for the modern age
Color Palette Generator - Enter the URL of an image and find its color palette
ColorCubo - Simple, fast colour management
Klart.io Colors - A data-driven collection of beautiful color palettes 🌈
Color Palette Manager - This nifty app helps you create, manage and share palettes.