code: @Nonnull
    @Nonempty
    public static String getHSLColorValue (final int nHue, final int nSaturation, final int nLightness)
    {
      return new StringBuilder (18).append (CCSSValue.PREFIX_HSL_OPEN)
                                   .append (getHSLHueValue (nHue))
                                   .append (',')
                                   .append (getHSLPercentageValue (nSaturation))
                                   .append ("%,")
                                   .append (getHSLPercentageValue (nLightness))
                                   .append ("%")
                                   .append (CCSSValue.SUFFIX_HSL_CLOSE)
                                   .toString ();
    }
docs: Get the passed values as CSS HSL color value
  
  @param nHue
  Hue - is scaled to 0-359
  @param nSaturation
  Saturation - is scaled to 0-100
  @param nLightness
  Lightness - is scaled to 0-100
  @return The CSS string to use