I think the Bootstrap way of doing colors is very limiting. I was using a different theme where they solved this by just adding all colors with a few different shades. Man, was it liberating!
See an example of what I mean here: [[product link]]
Noted, we will consider this.
Please note that our base themes colors are deeply integrated with all components and plugins so adding more colors will produce extra CSS code. So according to our design system, those 7 theme colors are quite enough for most of the projects.
However, the bootstrap can be supported by extended color options as explained here: