3.13.0-68.111) is not available, but a newer one is (3.13.0-166.216). We redirected you there.
/usr/share/gwyddion/gradients/RGB-Green 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 | Gwyddion resource GwyGradient
0 0 0 0 1
1 0 1 0 1
|