Mewarnai di C++

#include <iostream.h>
#include <conio.h>
#include <windows.h>
void main()
{
   char pilihan;
   cout<<"\n Mewarnai di C++ ";
   cout<<"\n Have fun with c++ ";
   cout<<"\n Pilihan Warna yang tersedia : ";
    cout<<"\n 1.Blue ";
   cout<<"\n 2.Green ";
   cout<<"\n 3.Aqua ";
   cout<<"\n 4.Red ";
   cout<<"\n  Masukan Pilihan Warna mu : ";
   cin>>pilihan;

   if(pilihan == 'a')
   {
    system("color 1");
      cout<<"Ini warna Blue ";
   }
   else if(pilihan == 'b')
   {
    system("color 2");
      cout<<"Ini warna Green ";
   }
   else if(pilihan == 'c')
   {
    system("color 3");
      cout<<"Ini warna Aqua ";
   }
   else if(pilihan == 'd')
   {
    system("color 4");
      cout<<"Ini warna Red ";
    }
   else
   {
    cout<<"Pilihan tidak tersedia ";
   }
   getch();


   getch();

}