I want to record a Zoom "meeting" which will really be just me (portraying Mark Twain), talking and telling tall tales ("stretchers," as Twain put them).
In editing the recorded file, I want to be able to start out showing it in grayscale and then gradually morph into "living color" (or suddenly morphing, if doing it gradually is not possible), like so:
I also want to change my eye color (from hazel to slate grey) and eyebrow/mustache color (from grey to auburn).
Being a natural-born cheapskate, I would like to be able to accomplish these "sleights of software" with a free or open-source editing program (for Windows).
Is such possible, or is this a case where "never the twain shall meet"?