Some had no scarlet glow at all.

The lens lit up with a scarlet glow.

Night came as they were starting, the red of sunset matched by a surly scarlet glow in the northern sky.

The bloodstained pages now seemed alive with a scarlet glow of their own.

When he clicked that, an ordinary electric light came on, replacing the eerie scarlet glow.

In both cases, the persons pictured seem to come from a planet other than Earth, since their eyes emit an eerie scarlet glow.

The sun set amid a warm scarlet glow.

Then he was gone and they were flowing forward into the scarlet glow.

In accordance with his instructions, Dreen was surrounded by the scarlet glow of transport.

The enveloping scarlet glow was apparently an energy field by which it remained aloft and propelled itself.