Videomaker – Learn video production and editing, camera reviews › Forums › Technique › Miscellaneous Techniques › How to fix green hue in video taken with night mode in error › Composite – no, the night
Composite – no, the night mode removes the IR filter from the light path to the image sensor. The image is green because the “white” point is shifted way red.
To the original OP. The only hope you have to save the video is to make it B&W.