public ObjectProperty<Color> hourColorProperty() {
        if (null == hourColor) {
            hourColor  = new ObjectPropertyBase<Color>(_hourColor) {
                @Override protected void invalidated() { fireTileEvent(REDRAW_EVENT); }
                @Override public Object getBean() { return Tile.this; }
                @Override public String getName() { return "hourColor"; }
            };
            _hourColor = null;
        }
        return hourColor;
    }
Defines the color that will be used to colorize the hour hand of the clock
@param COLOR
src/main/java/eu/hansolo/tilesfx/Tile.java