int inMin = 9;
int inMax = 11;

void setup() {
  // put your setup code here, to run once:
  for(int i=inMin; i<=inMax; i++)
  {
    pinMode(i, OUTPUT);
  }
}

void loop() {
  // put your main code here, to run repeatedly:
  //analogWrite(9, 128);
  setRGBLEDColour(9, 10, 11, 10, 90, 255);
}

void setRGBLEDColour(int pinRed, int pinGreen, 
int pinBlue, int r, int g, int b){
  analogWrite(pinBlue, r);
  analogWrite(pinGreen, g);
  analogWrite(pinRed, b);
}