A Simple window in JavaFX which colors itself using the HexTime generated from current time

HexTime

import java.util.Calendar;
import java.util.HashMap;
import java.util.Map;

import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.layout.BorderPane;
import javafx.scene.text.Font;
import javafx.stage.Stage;
import javafx.util.Duration;

public class HexTime extends Application {

	@Override
	public void start(Stage primaryStage) throws Exception {
		Scene scene = new Scene(getColoredPane(), 450, 500);
		primaryStage.setTitle("Hexa Time");
		primaryStage.setScene(scene);
		primaryStage.show();
	}

	public BorderPane getColoredPane() {
		BorderPane pane = new BorderPane();
		Label label = new Label();
		label.setFont(Font.font(20));

		Timeline timeline = new Timeline();
		timeline.setCycleCount(Timeline.INDEFINITE);
		KeyFrame changeColor = new KeyFrame(Duration.seconds(1),
				new EventHandler<ActionEvent>() {

					public void handle(ActionEvent event) {
						Map<String, String> colortime = generateColor();
						label.setText(colortime.get("time"));
						label.setStyle("-fx-text-fill: white");
						pane.setStyle("-fx-background-color : " + colortime.get("color"));
					}
				});
		timeline.getKeyFrames().add(changeColor);
		timeline.play();
		pane.setCenter(label);
		return pane;

	}

	public Map<String, String> generateColor() {

		int hour;
		int min;
		int sec;
		Calendar cal;
		String hexValue;
		Map<String, String> map = new HashMap<String, String>();

		cal = Calendar.getInstance();
		hour = cal.get(Calendar.HOUR_OF_DAY);
		min = cal.get(Calendar.MINUTE);
		sec = cal.get(Calendar.SECOND);
		
		// Color Code Production
		hexValue = String.format("%02X%02X%02X", hour, min, sec);
		map.put("color", "#" + hexValue);
		map.put("time", "#" + String.format("%02d", hour) + String.format("%02d", min) + String.format("%02d", sec));
		return map;
	}

	public static void main(String[] args) {
		launch(args);
	}

}

Related Question - https://stackoverflow.com/questions/26040405/dynamic-hexclock-program