public void setForegroundColor(final Color COLOR) {
        if (null == foregroundColor) {
            _foregroundColor = COLOR;
            fireTileEvent(REDRAW_EVENT);
        } else {
            if (!foregroundColor.isBound()) {
                foregroundColor.set(COLOR);
            }
        }
    }
Defines the Paint object that will be used to fill the tile foreground.

@param COLOR
src/main/java/eu/hansolo/tilesfx/Tile.java