I used Chrysler's "Alpine White". Turned out great, I think. Sourced a thick 3M red pinstripe online, and it was GAME OVER for OG-goodness, ha!
She wants red, eh? We'll then, let me introduce you to one of my favorite Honda builders, Billboard. Super cool guy and amazing builder. He's built up a red wagon, just like yours. I think you'll find his build "of interest".
Billboard back in a wagon again - Honda-Tech
* Just bumped his thread cause he's awesome.