I'm using pre-CPSIA IC HP Golden Yellow, and though I prefer an underbase, I p-f-p plenty of times.
Yellow, however, does not cover as well as one owuld hope, but good EOM helps a lot.
Not part of your question, but when I have to match a Pantone, or a vinyl with a Pantone number, I have used my Union Mixopake system.
Last time, with Sun Yellow Easy Weed film from Siser (their redder Golden Yellow), I just added 1% Mixopake Red y/s to my IC.