Viewcontrol title area color

// 設定最上方的標題列
UIColor* color = [[UIColor alloc]initWithRed:0.03 green:0.7 blue:0.31 alpha:1];
self.navigationController.navigationBar.tintColor = color;
    
UILabel *titleText = [[UILabel alloc] initWithFrame: CGRectMake(0, 0, 200, 28)]; 
titleText.backgroundColor = [UIColor clearColor]; 
[titleText setFont:[UIFont boldSystemFontOfSize:28.0]]; 
[titleText setTextColor:[UIColor whiteColor]];
[titleText setText:@"我的標題"]; 
self.navigationItem.titleView = titleText;