Replace style
import java.awt.Color; import javax.swing.JTextPane; import javax.swing.text.Style; import javax.swing.text.StyleConstants; public class Main { public static void main(String[] argv) throws Exception { JTextPane textPane = new JTextPane(); Style style = textPane.addStyle(null, null); StyleConstants.setForeground(style, Color.red); textPane.setLogicalStyle(style); // Set paragraph style; removes logical style style = textPane.addStyle(null, null); StyleConstants.setUnderline(style, true); textPane.setParagraphAttributes(style, true); // paragraph is now underlined, not red } }