int potpin= A4; // Potentiometer Connrcted To A4
int potvalue = 0;
int R = 6;
int G = 5;
int B = 9;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);  // Start Serial MOniter
  pinMode(R, OUTPUT);
  pinMode(G, OUTPUT);
  pinMode(B, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  potvalue = analogRead(potpin); // Read Potentiometer 0-1023
  potvalue = 1023 - potvalue; // Invert Value

  Serial.println(potvalue);  // Print Serial Moniter
  if (potvalue <100){
    analogWrite(R, 0);
  analogWrite(G, 0);
  analogWrite(B, 0);
  delay(1000);
  }
  else if (potvalue >100 && potvalue <200){
    analogWrite(R, 255);
  analogWrite(G, 0);
  analogWrite(B, 0);
  delay(1000);
  }
  else if (potvalue >200 && potvalue <300){
    // 2. Orange
  analogWrite(R, 255);
  analogWrite(G, 128);
  analogWrite(B, 0);
  delay(1000);
  }
  else if (potvalue >300 && potvalue <400){
  // 3. Yellow
  analogWrite(R, 255);
  analogWrite(G, 255);
  analogWrite(B, 0);
  delay(1000);
  }
  else if (potvalue >400 && potvalue <500){
  // 4. Chartreuse
  analogWrite(R, 128);
  analogWrite(G, 255);
  analogWrite(B, 0);
  delay(1000);
  }
  else if (potvalue >500 && potvalue <600){
  // 5. Green
  analogWrite(R, 0);
  analogWrite(G, 255);
  analogWrite(B, 0);
  delay(1000);
  }
  else if (potvalue >600 && potvalue <700){
  // 6. Spring Green
  analogWrite(R, 0);
  analogWrite(G, 255);
  analogWrite(B, 128);
  delay(1000);
  }
  else if (potvalue >700 && potvalue <800){
  // 7. Cyan
  analogWrite(R, 0);
  analogWrite(G, 255);
  analogWrite(B, 255);
  delay(1000);
  }
  else if (potvalue >800 && potvalue <900){
  // 8. Azure
  analogWrite(R, 0);
  analogWrite(G, 128);
  analogWrite(B, 255);
  delay(1000);
  }
  else if (potvalue >900 && potvalue <950){
  // 9. Blue
  analogWrite(R, 0);
  analogWrite(G, 0);
  analogWrite(B, 255);
  delay(1000);
  }
  else if (potvalue >950 && potvalue <990){
  // 10. Violet
  analogWrite(R, 128);
  analogWrite(G, 0);
  analogWrite(B, 255);
  delay(1000);
  }
  else if (potvalue >990 && potvalue <1000){
  // 11. Magenta
  analogWrite(R, 255);
  analogWrite(G, 0);
  analogWrite(B, 255);
  delay(1000);
  }
  else if (potvalue >1000 && potvalue <1020){
  // 12. Rose
  analogWrite(R, 255);
  analogWrite(G, 0);
  analogWrite(B, 128);
  delay(1000);
  }
  else{
    digitalWrite(R, LOW);
    digitalWrite(G, LOW);
    digitalWrite(B, LOW);
  }
//  delay(200);                // Small Delay For Readability
}