I'm not a yellow bike fan, but I have to say that your Platypus does look pretty; I don't know, perhaps different colors look better on different types of bike?
I always considered my yellow w/black accents Motobecane Grand Record to be a rather ugly bike, tho' it was a beater so that didn't matter.
The yellow, silver, white, grey, and black somehow go well together; that crankset with guard, big ring, small ring, somehow looks very appealing. I have to confess that the -- sorry, a bit color blind, but they do stand up and shout -- bright purple? Pink? - pedals upset my equilibrium, but perhaps that's intentional. I put bright orange bar tape on my Brit Rac Green Matthews, and used bright yellow 3M tape to finish off the black tape on the earlier MAP bar on my black Monocog -- which currently has a temp tape job of black scraps spliced together with white 3M tape.