Two points on this.
-Do I understand this correctly? Remove the old permafrost textures from the game completely, give the "new" tundra texture to permafrost, and make tundra more like it used to be?
-I don't want to use the "old" tundra texture for tundra terrain, I'll make a new one with around 20% grey hue (rocks), 20% red and yellow hues (lichen) and around 60% white hue (snow). Probably some brown here and there too...
Sounds OK?
Btw. I do plan to reduce the amount of snow for taiga, replace it with more brown and desaturated greens, more greens than brown though. maybe 20% snow in the end.