I think that these values are right for you
UIManager.put("ProgressBar.background", Color.ORANGE);
UIManager.put("ProgressBar.foreground", Color.BLUE);
UIManager.put("ProgressBar.selectionBackground", Color.RED);
UIManager.put("ProgressBar.selectionForeground", Color.GREEN);
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…