Potentiometer Readings Off

If i do that the LED are turned on from the get go and when the button is pressed they are turned off.

  if (digitalRead(BTN1) == LOW)
  {
    digitalWrite(LED_GO, HIGH);
    START = true;
  }
  if (digitalRead(BTN1) == HIGH)
  {
    digitalWrite(LED_GO, LOW);
    digitalWrite(LED_PIN, LOW);
    START = false;
  }