Molly took one look at him and turned an alarming shade of vermilion.

Whenever she spoke to him, he turned the most alarming shade of red.

The colonel's face turned an alarming shade of red.

Where his eyes were warm and dark, hers were an almost alarming shade of blue.

Pahner's face was turning a truly alarming shade of red.

Kyle was leaning against the pillow, his skin an alarming shade of red.

The skin there was turning an alarming shade of red.

His sweating face had turned an alarming shade of red.

His eyes and nose were an alarming shade of black, blue, and green.

Something gurgled in his throat, and he turned an alarming shade of blue.