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/

Copy Paste Color Pallette from Flat UI Theme

Simple color picker everyone。官方地址：https://color.hailpixel.com/

Free collection of color palettes ideas for all the occasions: decorate your house, flat, bedroom, kitchen, living room and even wedding with our color ideas。官方网站：https://colorpalettes.net/

The daily color digest

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