Node Cookbook - Third Edition

How to do it...

Our hsl-to-hex module can be implemented in two steps:

1. Convert the hue degrees, saturation percentage, and luminosity percentage to corresponding red, green, and blue numbers between 0 and 255.
2. Convert the RGB values to HEX.

Before we tear into writing an HSL to the RGB algorithm, we should check whether this problem has already been solved.

The easiest way to check is to head to http://npmjs.com and perform a search:

Oh, look! Somebody already solved this.

After some research, we decide that the hsl-to-rgb-for-reals module is the best fit.

Ensuring that we are in the hsl-to-hex folder, we can now install our dependency with ...