/usr/share/gwyddion/gradients/Gold is in gwyddion-common 2.44-1.
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
0.333333 0.345098 0.109804 0 1
0.666667 0.737255 0.501961 0 1
1 0.988235 0.988235 0.501961 1
|