# cpt-city: jmn/jmn-c32 (cpt)
#
# A colourmap with monotonic luminance for simultaneous colour and
# grey-scale publications.
#
# J. McNames, "An effective color scale for simultaneous color and
# gray-scale publications," in IEEE Signal Processing Magazine,
# vol. 23, no. 1, pp. 82-96, Jan. 2006,
#
# author: James McNames
# copyright: Free to use
# year: 2009
# url: https://phillips.shef.ac.uk/pub/cpt-city/jmn
 0 255/255/255   1 249/238/252
 1 249/238/252   2 240/223/251
 2 240/223/251   3 228/210/252
 3 228/210/252   4 212/199/253
 4 212/199/253   5 194/192/254
 5 194/192/254   6 174/188/254
 6 174/188/254   7 152/188/250
 7 152/188/250   8 130/192/244
 8 130/192/244   9 109/199/233
 9 109/199/233  10  91/208/218
10  91/208/218  11  75/219/198
11  75/219/198  12  63/230/174
12  63/230/174  13  57/240/146
13  57/240/146  14  56/248/115
14  56/248/115  15   61/250/82
15   61/250/82  16   74/242/53
16   74/242/53  17   90/223/31
17   90/223/31  18  105/199/16
18  105/199/16  19   116/173/6
19   116/173/6  20   124/145/1
20   124/145/1  21   127/118/0
21   127/118/0  22    126/92/2
22    126/92/2  23    120/69/7
23    120/69/7  24   111/48/12
24   111/48/12  25    97/32/17
25    97/32/17  26    82/19/21
26    82/19/21  27    64/10/23
27    64/10/23  28     46/4/22
28     46/4/22  29     29/1/18
29     29/1/18  30     13/0/10
30     13/0/10  31       0/0/0