I wonder if color poularity spreads across multiple goods like that?
Yes. Ski magazine even once did a story on that. Want to see colors for next years cars? Look at the colors for disposable goods from the previous product cycle, very much including skis, ~4 years ago.
Mint, sage and olive green have been intensely popular for bikes for a few years now. Here's a 1978 Raleigh Super Grand Prix:
And here is spray.bike's current table of trending bike-specific paints.
And here is a much more expensive modern Chapman with a MUCH more expensive paint job but still well within that range of color ideas:
...and no, it's not just an 'intentionally retro' thing:
For a more modern trend, that's spread over multiple product areas, look at iridescent 'oil slick' and blue-purple-pink shades.
I think the next ones to look out for will be on the pastel brown - beige line, most specifically anything that fits the 'Flat Dark Earth' category.
FDE stands for Flat Dark Earth. It wasn't "invented" by MagPul, and it's not the same as "Field Drab" or "Coyote" (or "Coyote Tan" or "Earth Brown" for that matter). Get your FDE nerd on - learn about mud hut hues, Military Color Codes, and more.
www.fiftyshadesoffde.com