In this cell factory for a TableView column:

public class NameFormatCell extends TableCell<Room,String> {

     public NameFormatCell() { }
       
     @Override protected void updateItem(final String item, boolean empty) {
         
         super.updateItem(item, empty);
         
         if (item != null) {
             setText(item);
             
             setTextFill(isSelected() ? Color.WHITE : Color.BLACK);
             setFont(Font.font("Segoe UI", FontWeight.BOLD, 18));
         }
     }
 }

The cell always displays in Black, even if the row is selected in the TableView.