/usr/share/gwyddion/gradients/Gwyddion.net is in gwyddion-common 2.47-1.
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 | Gwyddion resource GwyGradient
0 0 0 0 1
0.344671 0.658824 0.156863 0.0588235 1
0.687075 0.953506 0.759686 0.363821 1
1 1 1 1 1
|