rptu_pal provides the 12 colors (arranged in 6 pairs) 
of the RPTU Kaiserslautern-Landau, Germany.
Source
Color definitions are based on https://www.startklar2023.de/brand-portal-rptu.
Details
The acronym "RPTU" denotes "Rheinland-Pfälzische Technische Universität", which is co-located in Kaiserslautern and Landau, Germany (since 2023).
The two colors of a pair may be combined with each other. 
When using only one color pair, shades of 10
See examples and the ac and usecol functions for creating color gradients.
See also
seecol for viewing and comparing color palettes; 
usecol for using color palettes; 
simcol for finding similar colors; 
newpal for defining new color palettes; 
grepal for finding named colors.
Other university color palettes: 
CMU_1_core,
CMU_2_tartan,
CMU_3_campus,
UCLA_1,
UCLA_2,
UCLA_3,
UCSD_1_core,
UCSD_2_accent,
UCSD_3_neutral,
asu_1,
berkeley_1,
berkeley_2,
birmingham_1,
brown_1,
brown_2,
bu_1,
caltech_1,
caltech_2,
caltech_3,
carleton_1,
chicago_1,
chicago_2,
columbia,
conc_1,
conc_2,
conc_3,
conc_4,
cornell_1,
cornell_2,
cornell_3_accent,
dartmouth_1,
duke_1,
duke_2,
dundee_background,
dundee_block,
dundee_core,
dundee_highlight,
edinburgh_1,
eth_1,
eth_2,
eth_3,
fu_pal_0,
fu_pal_1,
fu_pal_2,
fu_pal_3,
galway_1,
galway_2,
guelph,
harvard_1,
harvard_2,
harvard_3,
hu_pal_1,
hu_pal_2,
jhu_0,
jhu_1,
jhu_2,
jhu_3_accent,
jhu_4_gray,
lancaster_1,
lancaster_2,
laval,
limerick_1,
lmu_pal_1,
lmu_pal_2,
lmu_pal_3,
manchester_uni_1,
manchester_uni_accent,
manitoba_1,
manitoba_2,
mcgill_brights,
mcgill_darks,
mcgill_grey,
mcgill_muted,
mcgill_pastels,
mcgill_red,
mcmaster_brighterworld,
mcmaster_heritage,
michigan_1,
michigan_2,
minnesotatwin_2,
mit_pal,
monash_1,
monash_2,
mpg_pal,
msu_pal,
mun_1,
mun_2,
northwestern_1,
northwestern_2,
notredame_1,
nyu_1,
nyu_2,
nyu_accent,
nyu_neutral,
ottawa_1,
oxford_blog,
oxford_brand,
oxford_error,
oxford_general,
oxford_graduate,
oxford_link,
oxford_shades,
oxford_socialmedia,
pitt_1,
pitt_2,
princeton_0,
princeton_1,
princeton_2,
queens_1,
queens_2,
rpi_pal_1,
rpi_pal_2,
rpi_pal_3,
sfu_brand,
standrews_1,
standrews_2,
stanford_1,
stanford_2_accent,
stanford_3_web,
toronto_1,
trinity_1,
ubc_1,
ucalgary_accent,
ucalgary_primary,
ucalgary_secondary,
ucalgary_warmgreys,
uci_1,
uflorida_1,
umass_2,
umass_brand,
umass_neutrals,
uni_bonn_1,
uni_bonn_2,
uni_freiburg_0,
uni_freiburg_1,
uni_freiburg_2,
uni_freiburg_blue,
uni_freiburg_br,
uni_freiburg_grey,
uni_freiburg_info,
uni_goettingen_1,
uni_goettingen_2,
uni_goettingen_3,
uni_hamburg_1,
uni_hamburg_2,
uni_heidelberg_1,
uni_jena_1,
uni_jena_2,
uni_kassel,
uni_kiel_1,
uni_kiel_2,
uni_koeln_1,
uni_koeln_2,
uni_konstanz_1,
uni_konstanz_2,
uni_manchester_1,
uni_mannheim_1,
uni_mannheim_2,
uni_potsdam,
uni_regensburg_1,
uni_regensburg_2,
uni_regensburg_3,
uni_stuttgart_1,
uni_stuttgart_2_print,
uni_ulm_1,
uni_ulm_2,
upenn_1,
upenn_2,
uvic_complementary,
uvic_core,
uwaterloo_arts,
uwaterloo_engineering,
uwaterloo_environment,
uwaterloo_health,
uwaterloo_main,
uwaterloo_math,
uwaterloo_science,
vanderbilt_1,
vanderbilt_3,
waikato,
western_uni_1,
yale_1,
yeshiva,
york_1,
york_2
Examples
rptu_pal
#>    blaugrau   gruengrau  dunkelblau    hellblau dunkelgruen   hellgruen 
#>   "#507289"   "#77b6ba"   "#042c58"   "#6ab2e7"   "#006b6b"   "#26d07c" 
#>     violett        pink         rot      orange     schwarz       weiss 
#>   "#4c3575"   "#d13896"   "#e31b4c"   "#ffa252"     "black"     "white" 
unikn::seecol(rptu_pal, main = "The colors of RPTU")  # view color palette
unikn::demopal(rptu_pal, type = 1, main = "Using the colors of RPTU")
# Gradients:
rptu_10 <- unikn::usecol(c(rptu_pal[9], "white"), n = 11)[1:10]
# unikn::seecol(rptu_10, main = "10 shades of a RPTU color")
rptu_21 <- unikn::usecol(c(rptu_pal[1], "white", rptu_pal[2]), n = 21)
# unikn::seecol(rptu_21, main = "A gradient between a RPTU color pair")
