#include <Servo.h>

Servo myservo;

const byte rgb_pins[3] = {9, 10, 11};

void setup() 
{
  pinMode(2, INPUT);  
  pinMode(3, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(LED_BUILTIN, OUTPUT);
  myservo.attach(4);
  myservo.write(90);
}

void loop() 
{
  myservo.write(digitalRead(2) ? 0 : 90);
  digitalWrite(LED_BUILTIN, digitalRead(2));
  digitalWrite(3, digitalRead(2));
  analogWrite(9, 255 - (digitalRead(2) ? 255 : 0));
  analogWrite(10, 255 - (!digitalRead(2) ? 255 : 0));
  analogWrite(11, 255);
}