版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/color-js/1.0.1/color.js
- https://cdn.bootcdn.net/ajax/libs/color-js/1.0.1/color.min.js
- https://cdn.bootcdn.net/ajax/libs/color-js/1.0.1/color.min.js.map
A color management API for JavaScript