Using RFID technology to change Neopixel strip based on different tags

rfid_prototype.ino

#include <SPI.h>
#include <MFRC522.h>
#define SS_PIN 53
#define RST_PIN 5
#include <Adafruit_NeoPixel.h>
#define PIN 22

Adafruit_NeoPixel strip = Adafruit_NeoPixel(5, PIN, NEO_GRB + NEO_KHZ800);
MFRC522 mfrc522(SS_PIN, RST_PIN); // Instance of the class

//  Desert - Gold / brown
  uint32_t desert = strip.gamma32(strip.Color(255, 183, 0));
//  Underwater - Deep blues  / dark
  uint32_t water = strip.gamma32(strip.Color(0, 32, 194));
//  Rainforest - Deep greens  / dark
  uint32_t forest = strip.gamma32(strip.Color(0, 179, 116));
//  Grassland - Light greens / yellows
  uint32_t grass = strip.gamma32(strip.Color(234, 255, 143));
//  Beach - Light blues / tans
  uint32_t beach = strip.gamma32(strip.Color(0, 255, 255));
  uint32_t black = strip.gamma32(strip.Color(0, 0, 0));

void setup() {
   Serial.begin(9600);
   strip.begin();
   strip.show();
   strip.setBrightness(20);
   SPI.begin();       // Init SPI bus
   mfrc522.PCD_Init(); // Init MFRC522
   Serial.println("RFID reading UID");
   for(int i=0; i<strip.numPixels(); i++){
        strip.setPixelColor(i, forest);
      }
      strip.show();
}
void loop() {
  if ( mfrc522.PICC_IsNewCardPresent()){
    if ( mfrc522.PICC_ReadCardSerial()){
      if (mfrc522.uid.uidByte[0] == 0xF9 && 
           mfrc522.uid.uidByte[1] == 0x2C &&
           mfrc522.uid.uidByte[2] == 0xC8 &&
           mfrc522.uid.uidByte[3] == 0xB1) {
           for(int i=0; i<strip.numPixels(); i++){
              strip.setPixelColor(i, desert);
           }
           strip.show();
      }
      if (mfrc522.uid.uidByte[0] == 0xF9 && 
           mfrc522.uid.uidByte[1] == 0xEC &&
           mfrc522.uid.uidByte[2] == 0xC4 &&
           mfrc522.uid.uidByte[3] == 0xB1) {
           for(int i=0; i<strip.numPixels(); i++){
              strip.setPixelColor(i, water);
           }
           strip.show();
      }
      if (mfrc522.uid.uidByte[0] == 0x19 && 
           mfrc522.uid.uidByte[1] == 0xE8 &&
           mfrc522.uid.uidByte[2] == 0xB3 &&
           mfrc522.uid.uidByte[3] == 0xB0) {
           for(int i=0; i<strip.numPixels(); i++){
              strip.setPixelColor(i, grass);
           }
           strip.show();
      }
      if (mfrc522.uid.uidByte[0] == 0xC9 && 
           mfrc522.uid.uidByte[1] == 0xFA &&
           mfrc522.uid.uidByte[2] == 0x21 &&
           mfrc522.uid.uidByte[3] == 0xB3) {
           for(int i=0; i<strip.numPixels(); i++){
              strip.setPixelColor(i, beach);
           }
           strip.show();
      }
      Serial.print("Tag UID:");
      for (byte i = 0; i < mfrc522.uid.size; i++) {
        Serial.print(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " ");
        Serial.print(mfrc522.uid.uidByte[i], HEX);
      }
      Serial.println();
      mfrc522.PICC_HaltA();
      delay(1000);
    }
//  } else {
//    for(int i=0; i<strip.numPixels(); i++){
//      strip.setPixelColor(i, forest);
//    }
//    strip.show();
  }
}