/usr/share/gwyddion/gradients/Body is in gwyddion-common 2.50-2.
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 | Gwyddion resource GwyGradient
0 0 0 0 1
0.2 0.492424 0.3037 0.136994 1
0.4 0.74902 0.280947 0.117493 1
0.6 0.880909 0.563001 0.482738 1
0.8 1 0.855548 0.603922 1
1 1 1 1 1
|