int redled=3;
int greenled=5;
int blueled=6;

void setup() {
  pinMode(redled, OUTPUT);
  pinMode(greenled, OUTPUT);
  pinMode(blueled, OUTPUT);
  // put your setup code here, to run once:

}

void loop() {
  analogWrite(redled,random(0,255));
  analogWrite(greenled,random(0,255));
  analogWrite(blueled,random(0,255));
  delay(100);

}