The point of using an enterprise CSM is to apply the company branding to the web content that authors edit. Allowing authors to select custom colors, like selecting custom fonts, sizes, background colors, etc, kind of defeats that purpose.   Instead, custom font styles can be configured in the RTE t...

This is a great idea, and we've been thinking about it as well. It would however require a deeper rethinking of how AEM components function and a large implementation effort. For now, we won't be able to prioritize it for the next 6 months, but we'll for sure keep this idea in our mind.

Useful links:Sources of the basic site template: https://github.com/adobe/aem-site-template-basic/Sites-30 beta program: https://experiencecloudpanel.adobe.com/c/r/Sites30Site template creation contest: https://bit.ly/site-template-contest