在线配色,WebGradients is a free collection of 180 linear gradients that you can use as content backdrops in any part of your website.,
http://flatuicolors.com/
https://coolors.co/
http://khroma.co/generator/
http://www.vanschneider.com/colors
http://qrohlf.com/trianglify-generator/
http://www.thedayscolor.com/
http://flatuicolors.com/