pal_unikn for the unikn default color palette with all 5 colors of pal_seeblau;
pal_unikn_pref for a uni.kn color palette with all preferred colors;
seecol to show and use color palettes.
# NOT RUN {pal_signal
dim(pal_signal) # 1 3pal_signal[2] # (named) color "signal2"pal_signal[[2]] # color "signal2" OR "#EFDC60"# Plotting palette:seecol(pal_signal)
# }