So-called “colour revolutions” are an invention of infamous conspiracy theorist, and perennial presidential candidate, Lyndon LaRouche. There’s a good (quite long) video on this topic here: https://www.youtube.com/watch?v=7OFyn_KSy80 which is the fourth in a series about the Ukraine war.

Also a great primer essay on the topic of campism, which will help you understand the mindset: https://newpol.org/issue_post/internationalism-anti-imperialism-and-the-origins-of-campism/