int r=0;
int g=0;
int b=0;
void setup() {
 pinMode(2, INPUT);//sensor for red
 pinMode(4, INPUT);//sensor for green
 pinMode(6, INPUT);//sensor for blue
 pinMode(10, OUTPUT);//red led
 pinMode(11, OUTPUT);//green led
 pinMode(12,OUTPUT);//blue led

}

void loop() {
 r=digitalRead(2);
 if(r==1){
  digitalWrite(10,1);
  Serial.println("RED");
 }
 else{
  digitalWrite(10,0);
 }
 g=digitalRead(4);
 if(g==1){
  digitalWrite(11,1);
  Serial.println("GREEN");
 }
 else{
  digitalWrite(11,0);
 }
 b=digitalRead(6);
 if(b==1){
  digitalWrite(12,1);
  Serial.println("BLUE");
 }
 else{
  digitalWrite(12,0);
 }

}