The daily color digest
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
Beautiful Color Palettes
Curated gradients for designers and developers
免费在线LOGO设计和配色网站
一个帮助大家选色、调色，提供色彩搭配参考，调色轮网站。
WebGradients is a free collection of 180 linear gradients that you can use as content backdrops in any part of your website.
