The daily color digest

一个帮助大家选色、调色，提供色彩搭配参考，调色轮网站。

Best Flat Colors For UI Design

免费在线LOGO设计和配色网站

Create color schemes with the color wheel or browse thousands of color combinations from the Color community.

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