Beautiful Color Palettes
Best Flat Colors For UI Design
提供渐变色和配色方案，还能从提供的图片中提取主要配色
Curated gradients for designers and developers
免费在线LOGO设计和配色网站
The daily color digest
WebGradients is a free collection of 180 linear gradients that you can use as content backdrops in any part of your website.
