turn pale
go pale

If they had just known why I turned so pale!

He turned pale and his eyes went to her face.

For the first time her words made him turn pale.

The four young men turned pale and began to back away.

Even from the second story I could see that he'd turned pale, and he began to run toward the house.

If it had been possible for her to turn pale she would have done so.

The woman had turned quite pale but she wasn't one to give up easily.

They looked at each other, turned pale, and held their breath.

He had turned pale and seemed barely able to stay on his feet.

Morgan's face turned very pale and all light died in his eyes.