text: //
  //  KYForm.h
  //  KYForm
  //
  //  Created by mac on 2017/12/20.
  //
  
  #import <UIKit/UIKit.h>
  
  @interface NSRandom : NSObject
  
  + (CGFloat)valueBoundary:(CGFloat)low To:(CGFloat)high;
  
  @end
  
  @interface UIColor(Extensions)
  
  + (UIColor *)black33;
  + (UIColor *)black35;
  + (UIColor *)black55;
  + (UIColor *)black65;
  + (UIColor *)black66;
  + (UIColor *)black95;
  
  + (UIColor *)colorWithRGB:(int)rgb;
  + (UIColor *)colorWithRedi:(Byte)red green:(Byte)green blue:(Byte)blue alpha:(Byte)alpha;
  + (UIColor *)colorWithRed:(CGFloat)red green:(CGFloat)green blue:(CGFloat)blue;
  + (UIColor *)colorWithRedi:(Byte)red green:(Byte)green blue:(Byte)blue;
  + (UIColor *)colorWithHexString:(NSString *)hexString;
  
  + (UIColor *)randomColor;
  
  @end
  