WebGradients is a free collection of 180 linear gradients that you can use as content backdrops in any part of your website.
Curated gradients for designers and developers
免费在线LOGO设计和配色网站
Khroma is the fastest way to discover, search, and save color combos you'll want to use.
Beautiful colored gradients
RGB颜色值与十六进制颜色码转换工具，能将RGB颜色值与十六进制颜色码相互转换
Create color schemes with the color wheel or browse thousands of color combinations from the Color community.
