Generate random Color using category based UIColor

UIColor+RandomColor.h

//
//  UIColor+RandomColor.h
//  ViewImage
//
//  Created by hechen on 15/4/8.
//  Copyright (c) 2015年 hechen. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface  UIColor(RandomColor)

+(UIColor *) randomColor;

@end

UIColor+RandomColor.m

//
//  UIColor+RandomColor.m
//  ViewImage
//
//  Created by hechen on 15/4/8.
//  Copyright (c) 2015年 hechen. All rights reserved.
//

#import "UIColor+RandomColor.h"

@implementation UIColor(RandomColor)


+ (UIColor *)randomColor{
    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
    return [UIColor colorWithHue:hue saturation:saturation brightness:brightness alpha:1];
}

@end