Room color opinions

It would be ridiculously easy to find out what color for room walls is best for SQ. Simply buy enough poster paper to temporarily paper the walls. Try a restful shade of green, maybe frog green 🐸. Then try black. And white. A medium blue. 🦋 You can try orange 🍊or even peach. 🍑 That would be peachy. How hard could it be? Keep a log. Write it up and send to AES, Psychology Today or post it here, whatever.

Addendum: an even easier way to experiment with colors in the room is use various colored light bulbs, one color at a time, aimed at the walls. Keep a log.

I'd think color, at least the color of components, can bias one towards perceiving a certain sound.  It probably isn't total coincidence that Conrad Johnon tube amps, for instance, are gold colored and are often described as having a "golden" sound.

I've noticed that look of a speaker can have some influence on how I perceive the sound.  I really love a good, deep wood veneer and that always puts me in a good state of mind for listening when I see a speaker with a great wood finish.

As for room color, I deliberately did my room to work with stereo/AV gear, speaker especially.  Speakers tend to come in a combination of brown (wood veneer - at least the ones I'm attracted to) and back (usually speaker grill, or the drivers, etc). 

So I did my room in a combination of brown and black tones, with some warm cream thrown in.  It worked perfectly.  Almost every speaker I put in there seems like it was "made for the room" because it blends so well with the decor.  (Unless a speaker has a really different color...and then usually it doesn't stay too long).