Copy Paste Color Pallette from Flat UI Theme

Khroma is the fastest way to discover, search, and save color combos you'll want to use.

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

WebGradients is a free collection of 180 linear gradients that you can use as content backdrops in any part of your website.

Curated gradients for designers and developers

Beautiful Color Palettes