Alright taking votes right now on my HE-400 paint job. If it goes well, I'd offer to paint any of the HiFiMan line for a fee if anybody here was interested.
I'm going with either a really deep red (wine-ish), matte black, etc. Looking for final thoughts on this, gonna tackle it in a few days.
For its sound signature (dark, with sparkly somewhat hot treble) I'd say a black or really dark wine colour, with crimson red speckles, kinda like the Fostex TH900 except maybe darker. Not sure if that is possible with the paint equipment/methods you use though.