Would it be possible to differentiate each alien structure? Like spawners, worms with different colors for s/m/l and behemoth sizes?
like this:
data.raw["splitter"]["fast-splitter"].friendly_map_color = {r = 0.78, g = 0.22, b = 0.05}
but with this:
data.raw["worm"]["big-worm"].enemy_map_color = {r = 0.35, g = 0.22, b = 0.85}

That is possible (spawners, worms (and bugs?)), but what colors?

behemoth worms - greenish (and then size on map is already different so its unique)
big worms - blueish,
and then ....basically all the way down medium, small. Can be like enemy tint colors respectively. Adjusted to be balanced on minimap.
spitter spawners anything different than biter spawners
Units (bugs), i dont know, I would go for silver/grayish. I trust in your decision.
Thanks!

The thing with infantry units is that they always move. When under area of a radar or player (active map) they are very visible. But when their markings are left in old, inactive map, its very unlikely they are still there...
Or maybe keep them red(-dish)?

I would love the simple feature of being able to differentiate between small/medium-big-behemoth worms and the spawners.

Even if it was just the worms that are different colours, that's good enough for me.