text: //
  //  UIColor+JKCUtils.h
  //  Demo
  //
  //  Created by yct on 2018/9/6.
  //  Copyright © 2018年 JKC. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @interface UIColor (JKCUtils)
  + (UIColor * _Nullable)jkc_colorWithHexString:(NSString * _Nonnull)hexString;
  @end
  