[ 源代码： node-d3-color ]
软件包：node-d3-color（1.0.3-4）
Color spaces! RGB, HSL, Cubehelix, Lab and HCL (Lch)
Even though your browser understands a lot about colors, it doesn’t offer much help in manipulating colors through JavaScript. The d3-color module therefore provides representations for various color spaces, allowing specification, conversion and manipulation. Also see d3-interpolate for color interpolation.
Node.js is an event-based server-side JavaScript engine.