Thunar, in contrast to many other file managers, is using the
"inode-directory" icon for plain folders - which the theme you linked to
is missing.
You can simply execute this in every of the "places/" subdirectory of
the theme to create the necessary links:
ln -s folder.png
Bottom-posted
On Sun, 2/18/18, Go Linux wrote:
Subject: Thunar not picking up custom icon folder color
To: "Xfce file manager"
Date: Sunday, February 18, 2018, 6:10 PM
I have recolored the gnome icon set
I have recolored the gnome icon set to blend with the Devuan ASCII (Stretch)
desktop theming. But there are some glitches that are currently being
discussed on the Xfce forum. The index.theme is posted there as well as a link
to download the DarkPurpy icon set: