I'm the "self-identified data scientist". I agree that there are quite a few holes in my analysis, but I was not aiming for an actual increase in sales just by designing the icon this way. I however wanted to have an icon which looked good enough and could blend in, at least from a color point of view.

So I guess it might not be an interesting problem to you, but I actually had quite some fun thinking about it. Which is the most important for a side project, right? ;)