如果你不想创建一个自定义视图，你也可以像这样改变颜色(需要iOS 6):

-(void) tableView:(UITableView *)tableView willDisplayHeaderView:(UIView *)view forSection:(NSInteger)section {
    if ([view isKindOfClass: [UITableViewHeaderFooterView class]]) {
        UITableViewHeaderFooterView* castView = (UITableViewHeaderFooterView*) view;
        UIView* content = castView.contentView;
        UIColor* color = [UIColor colorWithWhite:0.85 alpha:1.]; // substitute your color here
        content.backgroundColor = color;
    }
}

如果有人需要斯威夫特，请保留头衔:

override func tableView(tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
    let view = UIView(frame: CGRect(x: 0,y: 0,width: self.tableView.frame.width, height: 30))
    view.backgroundColor = UIColor.redColor()
    let label = UILabel(frame: CGRect(x: 15,y: 5,width: 200,height: 25))
    label.text = self.tableView(tableView, titleForHeaderInSection: section)
    view.addSubview(label)
    return view
}

iOS 8 +

func tableView(tableView: UITableView, willDisplayHeaderView view: UIView, forSection section: Int) {
        tableView.tableHeaderView?.backgroundColor = UIColor.blue()
}

Although func tableView(_ tableView: UITableView, willDisplayHeaderView view: UIView, forSection section: Int) will work as well, you can acheive this without implementing another delegate method. in you func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? method, you can use view.contentView.backgroundColor = UIColor.white instead of view.backgroundView?.backgroundColor = UIColor.white which is not working. (I know that backgroundView is optional, but even when it is there, this is not woking without implementing willDisplayHeaderView

 -(void) tableView:(UITableView *)tableView willDisplayHeaderView:(UIView *)view
  forSection:(NSInteger)section
  {
        if ([view isKindOfClass: [UITableViewHeaderFooterView class]])
        {
             UITableViewHeaderFooterView *castView = (UITableViewHeaderFooterView *) view;
             UIView *content = castView.contentView;
             UIColor *color = [UIColor whiteColor]; // substitute your color here
             content.backgroundColor = color;
             [castView.textLabel setTextColor:[UIColor blackColor]];
        }
 }

以下解决方案适用于Swift 1.2和iOS 8+

override func tableView(tableView: UITableView, willDisplayHeaderView view: UIView, forSection section: Int) {

    // This changes the header background
    view.tintColor = UIColor.blueColor()

    // Gets the header view as a UITableViewHeaderFooterView and changes the text colour
    var headerView: UITableViewHeaderFooterView = view as! UITableViewHeaderFooterView
    headerView.textLabel.textColor = UIColor.redColor()

}