manchester_uni_accent provides the three accent primary colours and 
white as suggested to use in minority ratio (3:1) against the primary colors on a canvas
of the Manchester University, Indiana, USA.
Source
Color definitions are based on Manchester University's marketing brand toolkit.
Details
The three accent colors are 
"Manchester sunrise" (defined as C=0 M=71 Y=100 K=0, R=255 G=108 B=12, #FF6C0C),
"Manchester blue" (defined as C=54 M=4 Y=9 K=0, R=107 G=196 B=222, #6BC4DE),
"Manchester green" (defined as C=55 M=3 Y=100 K=0, R=130 G=188 B=0, #82BC00), and
"white".
manchester_uni_accent uses the HEX color definitions.
Note that Manchester University is located in Indiana, USA, and not to be confused with University of Manchester, England/UK.
See also
manchester_uni_1 for primary colors of Manchester University, IN, USA;
uni_manchester for colors of the University of Manchester, England/UK;
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 U.S. 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,
asu_2,
asu_3,
berkeley_1,
berkeley_2,
brown_1,
brown_2,
bu,
caltech_1,
caltech_2,
caltech_3,
chicago_1,
chicago_2,
columbia,
cornell_1,
cornell_2,
cornell_3_accent,
dartmouth_1,
dartmouth_2,
dartmouth_3,
duke_1,
duke_2,
harvard_1,
harvard_2,
harvard_3,
jhu_0,
jhu_1,
jhu_2,
jhu_3_accent,
jhu_4_gray,
manchester_uni_1,
michigan_1,
michigan_2,
minnesotatwin_1,
minnesotatwin_2,
mit,
monash_1,
monash_2,
msu,
northwestern_1,
northwestern_2,
notredame_1,
notredame_2,
nyu_1,
nyu_2,
nyu_accent,
nyu_neutral,
pitt_1,
pitt_2,
princeton_0,
princeton_1,
princeton_2,
rpi_1,
rpi_2,
rpi_3,
stanford_1,
stanford_2_accent,
stanford_3_web,
uci_1,
uci_2,
uci_3,
uci_4,
uflorida_1,
uflorida_2,
uflorida_3,
umass_1,
umass_2,
umass_neutrals,
upenn_1,
upenn_2,
vanderbilt_1,
vanderbilt_2,
vanderbilt_3,
yale,
yeshiva
Examples
manchester_uni_accent
#> Manchester sunrise    Manchester blue   Manchester green              white 
#>          "#FF6C0C"          "#6BC4DE"          "#82BC00"          "#ffffff" 
unikn::seecol(manchester_uni_accent, main = "Accent colors of Manchester University") 
 # view color palette
# view color palette
