void setup() 
{
  pinMode(11, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(9, OUTPUT);
}

void loop()
{
  setcolor(255,0,0);
  delay(1000);

  setcolor(0,255,0);
  delay(1000);

  setcolor(0,0,255);
  delay(1000);

  setcolor(100,100,100);
  delay(1000);

  setcolor(10,50,200);
  delay(1000);
}

void setcolor(int red, int green, int blue)
{
  analogWrite(11,red);  //PWM Pin
  analogWrite(10,green);  //PWM Pin
  analogWrite(9,blue);  //PWM Pin
}