I think snow shouldn't be visible on minimap. Think about new players etc. they must know where to settle. Also snow looks ugly on the larger minimap if its in some but not all places.
I'm not sure that I have a strong argument against sketch colors - Jorb, November 2019 http://i.imgur.com/CRrirds.png?1 Join the moderated unofficial discord for the game! https://discord.gg/2TAbGj2 Purus Pasta, The Best Client