trianglify

Best Flat Colors For UI Design

提供各种中国的传统颜色的名称，CMYK值，RGB值，16进制表示。

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

Beautiful colored gradients

2017 Grabient by unfold

Beautiful Color Palettes

Copy Paste Color Pallette from Flat UI Theme

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