No widely documented film, show, or creator origin has been attached to Kulha Safra, so it is best understood as a user-shared Arabic meme sound rather than a quote from a known work. Its appeal is simple and visual: the phrase gives creators a ready-made reaction for anything dominated by yellow, from clothing and food to lighting and set design. Because the wording is short and easy to repeat, it travels well in short-form edits, reaction videos, and shared clips, where a familiar phrase can signal the joke without extra setup or subtitles.