Who thinks there will be purples showing up next w...

With a warmer night temp than day, I'm not sure purple will make an appearance. Purple is usually associated with cold late flowering temps.

so that such a color appears, certain conditions (ideal) are necessary, it will appear near the end of flowering

Purple colors may never appear. I've read somewhere that they usually tend to appear when the day/night temperature difference is high (cold nights). Anyhow I'm confident you'll get a sweet perfume and delicious aromas ;-) Good luck with your last days and happy growing!