int randomBluevalue; 
int randomGreenvalue; 
int randomRedvalue; 



void setup() {
  // put your setup code here, to run once:
pinMode(9, OUTPUT); 
pinMode(10, OUTPUT); 
pinMode(11, OUTPUT); 
}

void loop() {
  // put your main code here, to run repeatedly:
  randomRedvalue = random (0, 225); 
  randomGreenvalue = random (0, 225); 
  randomBluevalue = random (0, 225); 
    
analogWrite(9, randomBluevalue); 
delay (200); 
analogWrite(10, randomGreenvalue); 
delay (200); 
analogWrite(11, randomRedvalue); 
delay (200); 
}