I hear ya and I'm actually going to probably do the gold and platinum only without doing the blue "premium" one.
Juggling and making decisions on KS campaigns, editions and stretch goals seems like a mind-boggling jungle. I've yet to take the leap into that world.
I'm sure you'll get it right... and, I do like your blue 'premium' if you ever decide to go with it
Bear in mind that you're seeing it in flat colors on a computer screen. Will the inks be metallic? Will this be foil? If so, it can make a world of difference to the appearance.
True, I wasn't thinking of the possible shiny effect