int redlight=5;
int greenlight=6;
int bluelight=3;

void setup() {
  pinMode(redlight, OUTPUT);
  pinMode(greenlight, OUTPUT);
  pinMode(bluelight, OUTPUT);

}

void loop() {
  RGB_color(0,255,255);
  delay(1000);
  RGB_color(255,0,255);
  delay(1000);
  RGB_color(255,255,0);
  delay(1000);

  // put your main code here, to run repeatedly:

}
void RGB_color(int redvalue,int greenvalue,int bluevalue)
{
  analogWrite(redlight,redvalue);
  analogWrite(greenlight,greenvalue);
  analogWrite(bluelight,bluevalue);
}