How to give different (Mixing of = Gradient colours)colours to View...

How to give different  (Mixing of = Gradient colours)colours to View...

@property (weak, nonatomic) IBOutlet UIView *navBgView;

  CAGradientLayer *gradientMask = [CAGradientLayer layer];

    gradientMask.frame = CGRectMake(0, 0, self.view.frame.size.width, 150);

    

    gradientMask.startPoint = CGPointMake(0.0, 0.5);   // start at left middle

    gradientMask.endPoint = CGPointMake(1.0, 0.5);     // end at right middle

    

    gradientMask.colors = @[(id)[UIColor colorWithRed:91/255.0 green:232/255.0 blue:200/255.0 alpha:0.7].CGColor,

                            (id)[UIColor colorWithRed:91/255.0 green:232/255.0 blue:200/255.0 alpha:0.7].CGColor,

                            (id)[UIColor colorWithRed:91/255.0 green:232/255.0 blue:200/255.0 alpha:0.5].CGColor,

                            (id)[UIColor colorWithRed:85/255.0 green:188/255.0 blue:222/255.0 alpha:0.5].CGColor,

                            (id)[UIColor colorWithRed:85/255.0 green:188/255.0 blue:222/255.0 alpha:0.7].CGColor,

                            (id)[UIColor colorWithRed:85/255.0 green:188/255.0 blue:222/255.0 alpha:0.7].CGColor];

    

    gradientMask.locations = @[@0.0, @0.10, @0.40, @0.80, @0.90, @1.0];

    [_navBgView.layer insertSublayer:gradientMask atIndex:0];