#include <Servo.h>
void setup() {
pinMode(9, OUTPUT); //r
pinMode(10, OUTPUT); //g
pinMode(11, OUTPUT); //b
pinMode(6, OUTPUT); //w
}

void loop() {
int r = map(analogRead(A0),0,1023,0,255);
int g = map(analogRead(A1),0,1023,0,255);
int b = map(analogRead(A2),0,1023,0,255);
int w = map(analogRead(A3),0,1023,0,255);
analogWrite(9, r);
analogWrite(10, g);
analogWrite(11, b);
analogWrite(6, w);
}