為什麼OpenCV使用BGR顏色格式？

GITHUB : https://github.com/jash-git/Jash-good-idea-20220101-001/tree/main/%E7%82%BA%E4%BB%80%E9%BA%BCOpenCV%E4%BD%BF%E7%94%A8BGR%E9%A1%8F%E8%89%B2%E6%A0%BC%E5%BC%8F%EF%BC%9F