如何在iText中设置标题字体颜色

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Font;
import com.itextpdf.text.FontFactory;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfWriter;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;

public class ITextExample {
    public static void main(String[] args) {
        Document document = new Document();

        try {
            PdfWriter.getInstance(document, new FileOutputStream("output.pdf"));
            document.open();

            Paragraph title = new Paragraph("This is the title");
            Font font = FontFactory.getFont(FontFactory.HELVETICA_BOLD, 18, Font.BOLD, BaseColor.RED);
            title.setFont(font);

            document.add(title);
        } catch (DocumentException | FileNotFoundException e) {
            e.printStackTrace();
        } finally {
            document.close();
        }
    }
}