Simple color picker everyone。官方地址：https://color.hailpixel.com/
Beautiful colors and designs to your inbox every week
Material UI Colors 。官方地址：http://materialuicolors.co/
Beautiful Color Palettes
提供各种中国的传统颜色的名称，CMYK值，RGB值，16进制表示。官方地址：http://zhongguose.com/
WebGradients is a free collection of 180 linear gradients that you can use as content backdrops in any part of your website.
Trianglify Generator
