@implementation UIColor (ZWUtility)

+ (UIColor *)randomColor
{
    CGFloat hue = (arc4random() % 100) / 100.0f;
    CGFloat saturation = (arc4random() % 100) / 100.0f;
    CGFloat brightness = (arc4random() % 100) / 100.0f;
    
    return [UIColor colorWithHue:hue saturation:saturation brightness:brightness alpha:1.0f];
}

@end
