rectangle.setFill(color);
rectangle.setArcHeight(20);
rectangle.setArcWidth(20);
final Text text = new Text(getDisplayText());
text.setFontSmoothingType(FontSmoothingType.LCD);
text.translateXProperty().bind(rectangle.translateXProperty());
text.translateYProperty().bind(rectangle.translateYProperty().add(rectangle.getHeight()/2).add(text.getBoundsInLocal().getHeight()/4));
pane.getChildren().add(rectangle);
pane.getChildren().add(text);
return pane;
}