int rgbRed = 9;
int rgbGreen = 6;
int rgbBlue = 5;

void setup() {
//prepare libraries needed
pinMode(rgbRed, OUTPUT); //the red RGB is an output
pinMode(rgbGreen, OUTPUT); //the green RGB is an output
pinMode(rgbBlue, OUTPUT); //the blue RGB is an output
}

void loop() {
//write the actual code

//blue color
analogWrite(rgbRed, 36); //red value of RGB color
analogWrite(rgbGreen, 129); //green value of RGB color
analogWrite(rgbBlue, 232); //blue value of RGB color
delay(2000);

//red color
analogWrite(rgbRed, 231); //red value of RGB color
analogWrite(rgbGreen, 6); //green value of RGB color
analogWrite(rgbBlue, 6); //blue value of RGB color
delay(2000);

//purple color
analogWrite(rgbRed, 163); //red value of RGB color
analogWrite(rgbGreen, 25); //green value of RGB color
analogWrite(rgbBlue, 199); //blue value of RGB color
delay(1500);

//green color
analogWrite(rgbRed, 44); //red value of RGB color
analogWrite(rgbGreen, 183); //green value of RGB color
analogWrite(rgbBlue, 41); //blue value of RGB color
delay(1750);

//yellow color
analogWrite(rgbRed, 232); //red value of RGB color
analogWrite(rgbGreen, 227); //green value of RGB color
analogWrite(rgbBlue, 46); //blue value of RGB color
delay(1000);
}