真っ~ (intensifier prefix)

By the way, the reason fish gills are bright red is that, like lungs, many capillaries are gathered there.

The cafeteria is right next to the lobby, but... I mean, from where Keiko is it's literally only three steps away, you know?

Everything in front of me went completely dark.

She went deathly pale on hearing the news.

She went deathly pale at the sight.

When the breaker flipped and everything went pitch-black, the baby was scared and started crying.

Shouichi turned pale.

She was so embarrassed her face turned bright red.

She fell head-first off the ladder.