pal_unikn for the unikn default color palette with all 5 colors of pal_seeblau;
pal_petrol for the corresponding color palette;
pal_unikn_pref for a uni.kn color palette with all preferred colors;
seecol to show color palettes;
usecol to use color palettes.
Other preferred colors: Bordeaux,
Grau, Karpfenblau,
Peach, Pinky,
Seeblau, Seegruen,
Signal