Outdated greys, before current [[ https://wikimedia.github.io/WikimediaUI-Style-Guide/visual-style_colors.html | WikimediaUI color palette ]] has been established, to replace and deprecate:
[x] `@colorGray6` (`#666`) – https://github.com/search?q=org%3Awikimedia+colorGray6&type=Code&utf8=%E2%9C%93 – Minerva Neue
[] `@colorGray8` (`#888`) – https://github.com/search?q=org%3Awikimedia+colorGray8&type=Code&utf8=%E2%9C%93 – MobileFrontend, Related Articles
[] `@colorGray9` (`#999`) – https://github.com/search?q=org%3Awikimedia+colorGray9&type=Code&utf8=%E2%9C%93 – MobileFrontend, Related Articles, Vector print.less
[x] `@colorGray11` (`#bbb`) – https://github.com/search?q=org%3Awikimedia+colorGray11&type=Code&utf8=%E2%9C%93 – seemingly unused
[] `@colorGray13` (`#ddd`) – https://github.com/search?q=org%3Awikimedia+colorGray13&type=Code&utf8=%E2%9C%93 –
mediawiki.ui, Flow, MobileFrontend