I would strongly prefer to keep the colors. The thing that is set to “none” is category style, which is described as “Visual style for category badges.” So “none” just means “no badges” — I don’t think it implies “no color”.
I mentioned that the badges are only place the colors are used in the default theming, but I think I’m actually wrong on that — the Categories page uses them too (as a bar along the left side of the category). (Am I crazy?)
I guess for consistency, maybe this setting should be renamed to something like category label style? [1]
Not `category badge style, since “badges” are a different thing, and already ↩︎