int redpin=10;
int bluepin=3;
int greenpin =6;

void setup() {
 pinMode(redpin, OUTPUT);
 pinMode(bluepin, OUTPUT);
 pinMode(greenpin, OUTPUT);

}

void loop() {
// call function
RGBColors(255,255,0);
delay(1000);

// call function
RGBColors(255,0,255);

// analogWrite(redpin,255);
// analogWrite(greenpin,0);
// analogWrite(bluepin,255);
delay(1000);

// call function
RGBColors(0,255,255);
delay(1000);

}

void RGBColors(int r , int g ,int b){
  

analogWrite(redpin,r);
analogWrite(greenpin,g);
analogWrite(bluepin,b);
}