Hello to everyone,
I recently discovered the chalkboard capacity of RISE. I wonder if there is a simple way to have more colors in blackboard / chalkboard mode. Not a complete palette, but only three colors would be great. If that is possible, the I would only need Jupyter to teach! Here I found something that seems related, but the post is way too technical for me. I am a math teacher, using Jupuyter through Sage.
I’m not sure if tweaking this is directly supported in the RISE presentation configurator but you can directly edit the notebook metadata (as suggested by the SO a answer you found) from within a notebook: edit notebook metadata.
Once you save the metadata, I’m guessing you probably need to refresh the notebook page in the browser for it the updated settings to take effect in a presentation launched from that notebook.