Online, In the Rainbow Factory circulates as a short soundboard clip that creators reuse for dark or ironic edits, especially when a cheerful title contrasts with a creepy tone. That contrast is part of its appeal: the name suggests colour and whimsy, while the audio itself feels tense and off-kilter, making it easy to repurpose for jokes, reveals, and reaction moments. Because it is only about thirteen seconds long, it fits neatly into short-form videos, streams, and meme compilations without needing a long setup, which helps explain why it keeps appearing in new edits.