Colorize view stack, useful for frame inspection

colorizeViewStack.m

// example: [self colorizeStack:self.view];

- (void)colorizeStack:(UIView *)view {
    CGFloat hue = ( arc4random() % 256 / 256.0 );  // 0.0 to 1.0
    CGFloat saturation = ( arc4random() % 128 / 256.0 ) + 0.5;  // 0.5 to 1.0, away from white
    CGFloat brightness = ( arc4random() % 128 / 256.0 ) + 0.5;  // 0.5 to 1.0, away from black
    UIColor *color = [UIColor colorWithHue:hue saturation:saturation brightness:brightness alpha:0.8];
    view.backgroundColor = color;
    
    for (UIView *subView in view.subviews) {
        [self colorizeStack:subView];
    }
}