public void setTickMarkColor(final Color COLOR) {
        if (null == tickMarkColor) {
            _tickMarkColor = COLOR;
            fireTileEvent(REDRAW_EVENT);
        } else {
            if (!tickMarkColor.isBound()) {
                tickMarkColor.set(COLOR);
            }
        }
    }
Returns the color that will be used to colorize tick marks in some skins
@return the color that will be used to colorize tick marks in some skins
src/main/java/eu/hansolo/tilesfx/Tile.java