turn scarlet

The younger lady passed me with face averted, but even in the dusk I could see the tip of one little ear turn scarlet.

Did she deem the day-dreams might refer to her, that her eye-lids should droop, and her cheeks turn scarlet?

Why should she turn scarlet with anger and all but draw blood from a bitten lip?

Over the handkerchief he had crammed into his mouth Stalky could see the boy turn scarlet.