Try this code, coloured text and backgrounds in dos

#include<iostream>
#include<conio.c>
using namespace std;
int main()
{
char intro[] = "Color Demo for Dev-C++ 4.9";
for(int b=0; b<=26; b++)
{
textcolor(b+1);
cout << intro[b];
}
cout << endl;
cout << endl;
textcolor(WHITE);
textbackground(BLACK);
system("pause");

cout << endl;
cout << "TEXT COLOURS" << endl;
cout << endl;
for(int a=0; a<=500; a++)
{
textcolor(a);
cout << a;
textcolor(WHITE);
textbackground(BLACK);
cout << " ";
if( (a+1) %16 == 0)
cout << endl;
}
cout << endl;
system("pause");
cout << endl;;

textcolor(WHITE);
textbackground(BLACK);
cout << "BACKGROUND COLOURS" << endl;
cout << endl;
for(int a=1; a<=16; a++)
{
textbackground(a);
cout << a;
textbackground(BLACK);
cout << " ";
}

cout << endl;
cout << endl;
system("pause");
return 0;
}