A1Lights on (caught)
Fridge glow → flat overhead fluorescent
Clean white → pulsing crimson
A3

Medium-wide shot of a young Korean engineer in a grey jumpsuit standing in a clean white corridor aboard a space station, photoreal sci-fi, locked camera. 0–2s: bright, even white panel light, calm. 2–4s: the panels cut out with a jolt and the corridor goes dark. 4–6s: red emergency lights fade up and begin to pulse slowly from the ceiling, washing the walls crimson. 6–8s: she stands lit red with each pulse and looks up at the ceiling. Throughout: glossy white surfaces turning red, a round viewport showing stars, fixed camera, one continuous take.
Give the emergency light a rhythm. “Pulse slowly” makes the red read as an alarm instead of a color grade.
Pairs with: Silent terror · Panic
A1Fridge glow → flat overhead fluorescent
A2Even overheads → one warm pool
A4Steady green → stutter → dryer glow