Colorindo seu código usando windows.h

#include<stdio.h>
#include<stdlib.h>
#include <windows.h>

#define SET_DARKBLUE SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),1)
#define SET_DARKGREEN SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),2)
#define SET_LIGHTBLUE SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),3)
#define SET_DARKRED SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),4)
#define SET_ROXO SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),5)
#define SET_GOLD SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),6)
#define SET_WHITE SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),7)
#define SET_GREY SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),8)
#define SET_BLUE SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),9)
#define SET_GREEN SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),10)
#define SET_ANOTHERBLUE SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),11)
#define SET_RED SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),12)
#define SET_PURPLE SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),13)
#define SET_YELLOW SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),14)
#define SET_SNOW SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),15)

void main()
{
   SET_RED;
   printf("C programming\n");

   SET_GREEN;
   printf("C programming\n");

   SET_BLUE;
   printf("C programming\n");

   SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),12);
   printf("C programming\n");

   SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),10);
   printf("C programming\n");

   SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),9);
   printf("C programming\n");

   SET_SNOW;
   system("Pause");
}