So I think I found the answer—I need to slow my shutter speed to below 1/100 (not possible) or use a flash. “Fluorescent lights can flicker at twice the frequency of the current feeding them, which implies an entire cycle of the flicker will take bet...
Roma, thank you so much for your question. The exact same thing happened to me. The lighting and camera settings never changed, yet subsequent images showed inconsistent color, with a green cast. I wonder of it is just something that happens with flu...