Please goto my Page in the de wikipedia. You can use english there :-)

The palette for GMT for the relief location maps (land):

# wiki-2.0.cpt
#
# extracted from Maps_template-fr.svg by Eric Gaba (Wikimedia 
# Commons user: Sting) and others, released under the following 
# licence:
#
# Permission is granted to copy, distribute and/or modify this document 
# under the terms of the GNU Free Documentation License, Version 1.2 or 
# any later version published by the Free Software Foundation; with no 
# Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A 
# copy of the license is included in the section entitled "GNU Free 
# Documentation License".
#
# Translated by J.J. Green 2009, translation under same licence
#
# $Id: wiki-2.0.cpt.body,v 1.1 2009/05/04 15:32:51 jjg Exp $
# COLOR_MODEL = RGB
# B: unter dem Bereich
# F: über dem Bereich
# N : keine Höhe
-10   167 223 210 0 172 208 165
0     172 208 165 100   168 198 143
100   168 198 143 200   189 204 150
200   189 204 150 300   209 215 171
300   209 215 171 400   225 228 181
400   225 228 181 500   239 235 192
500   239 235 192 750   232 225 182
750   232 225 182 1000  222 214 163
1000  222 214 163 1500  211 202 157
1500  211 202 157 2000  202 185 130
2000  202 185 130 2500  195 167 107
2500  195 167 107 3000  185 152  90
3000  185 152  90 3500  170 135  83
3500  170 135  83 4000  172 154 124
4000  172 154 124 5000  186 174 154
5000  186 174 154 6000  202 195 184
6000  202 195 184 7000  224 222 216
7000  224 222 216 8000  245 244 242
8000  245 244 242 9000  245 244 242
#B 255 0 0
F 255 255 255
N 255   0   0
B 167 223 210

The palette for GMT for the relief location maps (water):

# wiki-2.0.cpt
#
# extracted from Maps_template-fr.svg by Eric Gaba (Wikimedia 
# Commons user: Sting) and others, released under the following 
# licence:
#
# Permission is granted to copy, distribute and/or modify this document 
# under the terms of the GNU Free Documentation License, Version 1.2 or 
# any later version published by the Free Software Foundation; with no 
# Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A 
# copy of the license is included in the section entitled "GNU Free 
# Documentation License".
#
# Translated by J.J. Green 2009, translation under same licence
#
# $Id: wiki-2.0.cpt.body,v 1.1 2009/05/04 15:32:51 jjg Exp $
# COLOR_MODEL = RGB
# B: unter dem Bereich
# F: über dem Bereich
# N : keine Höhe
# 1     172 208 165 0     172 208 165
-5000 113 171 216 -4500 113 171 216
-4500 121 178 222 -3500 121 178 222
-3500 132 185 227 -2500 132 185 227
-2500 141 193 234 -2000 141 193 234
-2000 150 201 240 -1500 150 201 240
-1500 161 210 247 -1000 161 210 247
-1000 172 219 251 -500  172 219 251
-500  185 227 255 -200  185 227 255
-200  198 236 255 -100  198 236 255
-100  216 242 254 0     216 242 254
B 113 171 216
F 216 242 254
N 255   0   0
  NODES