int red = 9;
int green = 11;
int blue = 10;
int button = 8;

int colorState = 0;
unsigned long previousMillis = 0;  

void setup() {
  pinMode(red, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(blue, OUTPUT);
  pinMode(button, INPUT_PULLUP); 
}

void loop() {
  unsigned long currentMillis = millis();  

 
  if (digitalRead(button) == LOW) {
    if (currentMillis - previousMillis >= 300) {  
      previousMillis = currentMillis; 
      colorState++; 

      if (colorState > 9) { 
        colorState = 0;
      }
    }
  }

  switch (colorState) {
    case 1: red1(); break;
    case 2: green1(); break;
    case 3: blue1(); break;
    case 4: yellow1(); break;
    case 5: magenta1(); break;
    case 6: cyan1(); break;
    case 7: white1(); break;
    case 8: maroon1(); break;
    case 9: silver1(); break;
    case 10: navy1(); break;
  }
}

void red1() {
  analogWrite(red, 255);
  analogWrite(green, 0);
  analogWrite(blue, 0);
}

void green1() {
  analogWrite(red, 0);
  analogWrite(green, 255);
  analogWrite(blue, 0);
}

void blue1() {
  analogWrite(red, 0);
  analogWrite(green, 0);
  analogWrite(blue, 255);
}

void yellow1() {
  analogWrite(red, 255);
  analogWrite(green, 255);
  analogWrite(blue, 0);
}

void magenta1() {
  analogWrite(red, 255);
  analogWrite(green, 0);
  analogWrite(blue, 255);
}

void cyan1() {
  analogWrite(red, 0);
  analogWrite(green, 255);
  analogWrite(blue, 255);
}

void white1() {
  analogWrite(red, 255);
  analogWrite(green, 255);
  analogWrite(blue, 255);
}

void maroon1() {
  analogWrite(red, 128);
  analogWrite(green, 0);
  analogWrite(blue, 0);
}

void silver1() {
  analogWrite(red, 192);
  analogWrite(green, 192);
  analogWrite(blue, 192);
}

void navy1() {
  analogWrite(red, 0);
  analogWrite(green, 0);
  analogWrite(blue, 128);
}