intToColor function
Implementation
Color intToColor(int col) {
col = col % 5;
if (col == 0) return Colors.red;
if (col == 1) return Colors.green;
if (col == 2) return Colors.orange;
if (col == 3) return Colors.blue;
if (col == 4) return Colors.pink;
if (col == 5) return Colors.brown;
return Colors.black;
}