LibreOffice Suave by Jon Hanna

Adapting aramaicus' Firefox Suave and Thunderbird Suave for LibreOffice by treating its logo as they did the logos of those apps. See https://addons.mozilla.org/en-US/firefox/user/aramaicus-1364593947.42/ for those themes. To apply to LibreOffice, open any LibreOffice app, then go to Tools > Options > Personalisation. Select "Own Theme", click "Select Theme", then paste in the URI of this page.