Western video game. Keeping my fingers crossed for a sequel.
Art by non-humans would make me feel we had more company in the universe. I'm not quite sure this counts, but it's close.
The colour of e-ink... that grey screen that goes back to the first Amazon Kindle.
Or these new London bus stops using e-paper, the same.
Web pages used to always have a grey background -- inherited from the grey used by Mosaic in 1993.
The other day I stepped out of the tube and the sky was this medium grey -- not matte, not dark, not bright, not quite pearlescent, just... there. The colour of an e-ink screen before the words arrive.
See also, blue.