mpg_pal provides the default color palette 
of the Max Planck Society, Germany.
Source
Color definitions are based on https://docplayer.org/2328711-Max-planck-institut-das-erscheinungsbild-der-max-planck-gesellschaft-4-ueberarbeitete-auflage.html.
Details
The two primary colors are at the extreme positions of mpg_pal:
MPG green(atmpg_pal[1]): Defined asPantone 328,CMYK 100/0/57/30, orRGB 17/102/86.MPG grey(atmpg_pal[5]): Defined asPantone 427,CMYK 0/0/6/15, orRGB 221/222/214.
At mpg_pal[3], the color "white" was added to enable symmetrical color gradients. 
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,
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,
rptu_pal,
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
mpg_pal
#>     MPG green MPG green 50%         white  MPG grey 50%      MPG grey 
#>     "#116656"     "#88B2AA"       "white"     "#EEEEEA"     "#DDDED6" 
unikn::seecol(mpg_pal, main = "Colors of the Max Planck Society")  # view color palette 
unikn::demopal(mpg_pal, type = 1, main = "Using the MPG colors")
# Extended version:
mpg_pal_11 <- unikn::usecol(c(mpg_pal, "black"), n = 11)
unikn::demopal(mpg_pal_11, type = 4, seed = 1, main = "An extended MPG palette")
