WebGradients is a free collection of 180 linear gradients that you can use as content backdrops in any part of your website.
提供渐变色和配色方案，还能从提供的图片中提取主要配色
一个帮助大家选色、调色，提供色彩搭配参考，调色轮网站。
The daily color digest
一款 100%免费的配色方案在线生成预览网站
Curated gradients for designers and developers
Khroma is the fastest way to discover, search, and save color combos you'll want to use.
