1 Adobe's color cc website
https://color.adobe.com/zh/create/color-wheel
2
Aiji.com
Chinese style color matching
Super beautiful Chinese style color matching, the website claims to have collected the most complete Chinese colors.
When browsing colors, select a color, and the background color of the entire web page will change accordingly. The visual effect is amazing~
Only RGB and CMYK color modes are provided.
4
Advanced color matching tools , as well as related downloads and learning of color knowledge .
5.
WebGradients
This website is also famous for its gradient colors, with 180 gradient color schemes.
The overall style is soft and looks very clean.
And there are more format options, such as PSD, Sketch, PNG and can be directly copied into a CSS gradient code.