private static void writeColor(@NotNull Element element, @NotNull String fieldName, Color color) {
    if (color != null) {
      String string = Integer.toString(color.getRGB() & 0xFFFFFF, 16);
      JDOMExternalizerUtil.writeField(element, fieldName, string);
    }
  }
private static void writeColor(@NotNull Element element, @NotNull String fieldName, Color color)