#define PUSH 2
#define RED 6
#define GREEN 5
#define BLUE 3

int modo = 0;

void setup() {
pinMode(PUSH, INPUT_PULLUP);
pinMode(RED, OUTPUT);
pinMode(GREEN, OUTPUT);
pinMode(BLUE, OUTPUT);
}

void loop() {
if(digitalRead(PUSH) == LOW){
modo = modo + 1;
delay(400);
}

//apagado
if(modo == 0){
analogWrite(RED, 0);
analogWrite(GREEN, 0);
analogWrite(BLUE, 0);
}

//blanco
if(modo == 1){
analogWrite(RED, 255);
analogWrite(GREEN, 255);
analogWrite(BLUE, 255);
}

//rojo
if(modo == 2){
analogWrite(RED, 255);
analogWrite(GREEN, 0);
analogWrite(BLUE, 0);
}

//azul
if(modo == 3){
analogWrite(RED, 0);
analogWrite(GREEN, 0);
analogWrite(BLUE, 255);
}

//verde
if(modo == 4){
analogWrite(RED, 0);
analogWrite(GREEN, 255);
analogWrite(BLUE, 0);
}

//amarillo
if(modo == 5){
analogWrite(RED, 255);
analogWrite(GREEN, 255);
analogWrite(BLUE, 0);
}

//cian
if(modo == 6){
analogWrite(RED, 0);
analogWrite(GREEN, 255);
analogWrite(BLUE, 255);
}

//magenta
if(modo == 7){
analogWrite(RED, 255);
analogWrite(GREEN, 0);
analogWrite(BLUE, 255);
}

if(modo == 8){
  modo = 0;
}
}