title: change active tab color in JTabbedPane
body: <p>How can I change  the color of tab when is  selected ? and its border ? in this case  its  <code>Arbitros</code> tab which is blue, how can i change this  ?  I'm  using  <code>JTabbedPane</code>  inside <code>JFrame</code> I found this but its not working <code>UIManager.put("TabbedPane.selected", Color.white);</code>  what am I doing wrong ?</p>
  
  <pre><code>public VentanaPrincipal_vista() {
  
      super("Ventana Principal");
  
      this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      this.setSize(1000, 500);
      this.setResizable(false);
      this.setUndecorated(true);
      this.setBackground(Color.BLUE);
      // add tabbedPane and tabs .
  
      tabs = new JTabbedPane();
      tabs.setBackground(new Color(83, 83, 83));
      tabs.setForeground(new Color(255, 255, 255));
      tabs.setBorder(null);
      UIManager.put("TabbedPane.selected", Color.white);
      this.add(tabs);
  
      menuBar = new BGMenuBar();
      menuBar.setColor(new Color(83, 83, 83));
      this.setJMenuBar(menuBar);
  
      menu = new JMenu("File");
      menu.setForeground(Color.white);
      menuBar.add(menu);
  
      close = new JMenuItem("Close");
  
      menu.add(close);
      close.addActionListener(this);
      close.setBackground(new Color(83, 83, 83));
      close.setForeground(new Color(255, 255, 255));
  
      op1 = new JMenuItem("option 1");
      op1.setBackground(new Color(83, 83, 83));
      op1.setForeground(new Color(255, 255, 255));
  
      menu.add(op1);
  
      this.setLocationRelativeTo(null);
      this.setVisible(true);
  
  }// end of constructor
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/zilYo.png" alt="enter image description here"></p>