how to change forecolor of multiple labels using for loop

Question

how to change forecolor of multiple labels using forloop in windows form application
i done this way

for (i = 1; i <= 7; i++)

                {

                    for (int j = 1; j <= 5; j++)

                    {

                        lbl.BackColor = Color.Red;

                    }

                }
but it not work....