void setup() {
  Serial.begin(115200); 

  pinMode(5, OUTPUT); // R
  pinMode(6, OUTPUT); // G
  pinMode(3, OUTPUT); // B
}

void loop() {
  setColor(255, 0, 0); // Red Color
  Serial.println("RED");
  delay(1000);

  setColor(0, 255, 0); // Green Color
  Serial.println("GREEN");
  delay(1000);

  setColor(0, 0, 255); // Blue Color
  Serial.println("BLUE");
  delay(1000);

  setColor(255, 255, 255); // White Color
  Serial.println("WHITE");
  delay(1000);

  setColor(170, 0, 255); // Purple Color
  Serial.println("PURPLE");
  delay(1000);

  setColor(127, 127, 127); // Light Blue 
  Serial.println("LIGHT BLUE");
  delay(1000); 

  setColor(0, 51, 153); // Dark Blue 
  Serial.println("DARK BLUE");
  delay(1000); 

  setColor(153, 0, 204); // Dark purple 
  Serial.println("DARK PURPLE");
  delay(1000); 
}

void setColor(int redValue, int greenValue, int blueValue) {
  analogWrite(5, redValue);
  analogWrite(6, greenValue);
  analogWrite(3, blueValue);
}