const int LEDRED = 2;
const int LEDGREEN = 1;
const int LEDBLUE = 0;

void setup() {
pinMode(LEDRED, OUTPUT);
pinMode(LEDGREEN, OUTPUT);
pinMode(LEDBLUE, OUTPUT);
}

void loop() {
  colortest();
  delay(1000);
}

void red() {
  analogWrite(LEDRED, 255);
  analogWrite(LEDGREEN, 0);
  analogWrite(LEDBLUE, 0);
}

void green() {
  analogWrite(LEDRED, 0);
  analogWrite(LEDGREEN, 255);
  analogWrite(LEDBLUE, 0);
}

void blue() {
  analogWrite(LEDRED, 0);
  analogWrite(LEDGREEN, 0);
  analogWrite(LEDBLUE, 255);
}

void colortest() {
  analogWrite(LEDRED, 255);
  analogWrite(LEDGREEN, 255);
  analogWrite(LEDBLUE, 0);
}