Specifically, the style shown on the web site as “style 3”?
That theme is the standard ‘OmniFocus Dark’ theme, as far as I can tell. You can change it in Preferences, Styles, Colour palette.
Specifically, the style shown on the web site as “style 3”?
That theme is the standard ‘OmniFocus Dark’ theme, as far as I can tell. You can change it in Preferences, Styles, Colour palette.