void setup() {
  // put your setup code here, to run once:
  pinMode(1, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);

}
void setColor(int redValue, int greenValue,  int blueValue) {
30  analogWrite(1, redValue);
31  analogWrite(2,  greenValue);
32  analogWrite(3, blueValue);
33}

void loop() {
  // put your main code here, to run repeatedly:
  setColor(255, 0, 0); // Red Color
  delay(1000);
  setColor(0,  255, 0); // Green Color
  delay(1000);
  setColor(0, 0, 255); // Blue Color
  delay(1000);
  setColor(255, 255, 255); // White Color
  delay(1000);
  setColor(170, 0, 255); // Purple Color
  delay(1000);
  setColor(127, 127,  127); // Light Blue
  delay(1000);
}