I was putting them in the above path in my home directory. Thanks to your hint I have discovered that there is also /usr/local/share/geany/colorschemes. Copied them over but still no effect.
-- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/geany/geany-themes/issues/28#issuecomment-487517241
