code: function (hue, saturation, value) {
        var rgb = hsb2rgb(hue, saturation, value);
        return 'rgb(' + rgb.join(', ') + ')';
      }
docs: Converts HSV (HSB) color values to RGB.
  Saturation and brightness can be expressed as floats or percentages.
  
  color: hsb(220, 45%, .3);
  color: hsb(220deg, 0.45, 30%);