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