I think GMW hit the
errors in the image.
Incandescent lamps run 3200-3500 K. If it was a retrofit (circleline) fluorescent, close to 6000K with a greenish-blue hue on the lighted surface
The pillow major blood stain seems too far (higher) from the head position. I would expect the blood to run down, under the head, towards the face
(are we wannabe CSI's

)