/usr/share/gmt/cpt/panoply.cpt is in gmt-common 5.3.1+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | # $Id: panoply.cpt 16562 2016-06-18 04:04:08Z pwessel $
#
# Color map converted from Panoply PAL-1, the default color map in Panoply
# http://www.giss.nasa.gov/tools/panoply
#
#----------------------------------------------------------
# COLOR_MODEL = RGB
#----------------------------------------------------------
0 4/14/216 0.0625 4/14/216
0.0625 32/80/255 0.125 32/80/255
0.125 65/150/255 0.1875 65/150/255
0.1875 109/193/255 0.25 109/193/255
0.25 134/217/255 0.3125 134/217/255
0.3125 156/238/255 0.375 156/238/255
0.375 175/245/255 0.4375 175/245/255
0.4375 206/255/255 0.5 206/255/255
0.5 255/254/71 0.5625 255/254/71
0.5625 255/235/0 0.625 255/235/0
0.625 255/196/0 0.6875 255/196/0
0.6875 255/144/0 0.75 255/144/0
0.75 255/72/0 0.8125 255/72/0
0.8125 red 0.875 red
0.875 213/0/0 0.9375 213/0/0
0.9375 158/0/0 1 158/0/0
#----------------------------------------------------------
B 0/0/121
F 87/0/0
N 200/200/200
#----------------------------------------------------------
|