Properly used, annual color can invite, enhance, conceal, distract, relax or excite. But color can also be a meaningless, busy hodgepodge. Healthy flowers are almost always a worthwhile addition to a site.
Pipe & Fittings
the medieval Europe, blue and purple dyes were rare and expensive, so
only the most wealthy or the aristocracy could afford to wear them. And
though wearing purple today doesn't indicate wealth, to irrigation
contractors it can still mean gold. Especially if they live in areas
where the population has access to non-potable water.