trianglify

uiGradients - Beautiful colored gradients，是以渐变色为主的分享网站，上百种渐变配色方案，可以根据自己的风格搭配，节约了试色时间。

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 colored gradients

Best Flat Colors For UI Design

Copy Paste Color Pallette from Flat UI Theme