That's KPM and KPPPM in the two columns on the left and Kersti in the two columns on the right. There's about 60 colors of each, some of which can be seen up close here.
It's fun to just grab different combinations - all greens or all blues, all brights or all darks - even just random hanks - from the shelf and see what happens.
I don't know how our friends from the north do it; I'm just glad that they do!
