I found a place that discusses putting in an html version of reCaptcha. If I do that, then I can change the color/theme. But I have to get a site key and that is tied to a domain. I’m about to change the domain to this site since it’s in the design stage now, will soon be tied to the domain for the business.
I’m not very good at coding. I still may not get it right. Sure would be great to just have a dark them available through Wix editor, since they are offered by Google. Here is where it says Google offers it: Perguntas frequentes | reCAPTCHA | Google for Developers