Color Sensor Green Red LED Arduino Uno

#define RedLED    2
#define GreenLED  3
#define S0        4
#define S1        5
#define S2        7
#define S3        6
#define sensorOut 8

int frequencyR = 0;
int frequencyG = 0;
int frequencyB = 0;

int currentColor = 0;

/////////////////////////////
//Color is RED
int Red[3]    = { 27,  100,   80};
//Color is Green
int Green[3]  = { 92,   60,   80};
//Color is Yellow
int Yellow[3] = { 20,   32,   53};
/////////////////////////////
//Color is White
int White[3]  = { 19,   21,   16};
//Color is Black
int Black[3]  = {155,  160,  118};
//Color is Blue
int Blue[3]   = {120,   50,   33};
/////////////////////////////

void setup() {
  pinMode(RedLED,         OUTPUT);
  pinMode(GreenLED,       OUTPUT);
  pinMode(S0,             OUTPUT);
  pinMode(S1,             OUTPUT);
  pinMode(S2,             OUTPUT);
  pinMode(S3,             OUTPUT);
  pinMode(sensorOut,      INPUT);
  digitalWrite(S0,        HIGH);
  digitalWrite(S1,        LOW);
  digitalWrite(RedLED,    LOW);
  digitalWrite(GreenLED,  LOW);

  Serial.begin(9600);
}

void loop() {
  TurnOnRedLED(2000);
  TurnOnGreenLED(2000);
  ReadColorSensor();
  SerialOutColor(frequencyR, frequencyG, frequencyB);
}


void ReadColorSensor() {
  digitalWrite(S2, LOW);
  digitalWrite(S3, LOW);
  frequencyR = pulseIn(sensorOut, LOW);
  Serial.print("R= ");
  Serial.print(frequencyR);
  Serial.print("  ");
  delay(100);
  digitalWrite(S2, HIGH);
  digitalWrite(S3, HIGH);
  frequencyG = pulseIn(sensorOut, LOW);
  Serial.print("G= ");
  Serial.print(frequencyG);
  Serial.print("  ");
  delay(100);
  digitalWrite(S2, LOW);
  digitalWrite(S3, HIGH);
  frequencyB = pulseIn(sensorOut, LOW);
  Serial.print("B= ");
  Serial.print(frequencyB);
  Serial.println("  ");
  delay(100);
}

void SerialOutColor(int a, int b, int c) {
  //Color is RED
  if (a > (Red[0] - 10) && a < (Red[0] + 10) && b > (Red[1] - 10) && b < (Red[1] + 10) && c > (Red[2] - 10) && c < (Red[2] + 10)) {
    currentColor = 1;
    Serial.println("Color is RED");
    delay(2000);

  }
  //Color is Green
  else if (a > (Green[0] - 10) && a < (Green[0] + 10) && b > (Green[1] - 10) && b < (Green[1] + 10) && c > (Green[2] - 10) && c < (Green[2] + 10)) {
    currentColor = 1;
    Serial.println("Color is Green");
    delay(2000);
  }
  //Color is Yellow
  else if (a > (Yellow[0] - 8) && a < (Yellow[0] + 8) && b > (Yellow[1] - 8) && b < (Yellow[1] + 8) && c > (Yellow[2] - 8) && c < (Yellow[2] + 8)) {
    currentColor = 1;
    Serial.println("Color is Yellow");
    delay(2000);
  }
  //Color is White
  else if (a > (White[0] - 8) && a < (White[0] + 8) && b > (White[1] - 8) && b < (White[1] + 8) && c > (White[2] - 8) && c < (White[2] + 8)) {
    currentColor = 2;
    Serial.println("Color is White");
    delay(2000);
  }
  //Color is Black
  else if (a > (Black[0] - 10) && a < (Black[0] + 10) && b > (Black[1] - 10) && b < (Black[1] + 10) && c > (Black[2] - 10) && c < (Black[2] + 10)) {
    currentColor = 2;
    Serial.println("Color is Black");
    delay(2000);
  }
  //Color is Blue
  else if (a > (Blue[0] - 10) && a < (Blue[0] + 10) && b > (Blue[1] - 10) && b < (Blue[1] + 10) && c > (Blue[2] - 10) && c < (Blue[2] + 10)) {
    currentColor = 2;
    Serial.println("Color is Blue");
    delay(2000);
  }
}

void TurnOnRedLED(int Time) {
  if (currentColor == 1) {
    digitalWrite(RedLED, HIGH);
    delay(Time);
    digitalWrite(RedLED, LOW);
    currentColor = 0;
  }
}
void TurnOnGreenLED(int Time) {
  if (currentColor == 2) {
    digitalWrite(GreenLED, HIGH);
    delay(Time);
    digitalWrite(GreenLED, LOW);
    currentColor = 0;
  }
}