Yellow and grey seem to be the colour of the fashionistas this year (or maybe it was last? I'm always a bit slow on the uptake). Regardless, I've been seeing this combo. a lot in design — home, fashion or otherwise. We see yellow and grey in combination all the time here:
You can see why they work.
Light postings this week so far, but I'm on the road. If you're in Tofino or Ucluelet, remember the meeting this evening — 4:30-6 pm in Tofino and 7-8:30 pm in Ucluelet. This article gives some important background.