Khroma is the fastest way to discover, search, and save color combos you'll want to use.
Trianglify Generator
Copy Paste Color Pallette from Flat UI Theme
RGB颜色值与十六进制颜色码转换工具，能将RGB颜色值与十六进制颜色码相互转换
The daily color digest
Curated gradients for designers and developers
Best Flat Colors For UI Design
