My son was naked except for a dark blue cap that one of them had put on his head.
The hair might have been any color beneath the dark cap.
He wore long, pure black robes and a dark cap.
She tucked her hair beneath a dark cap and stared at herself in the mirror.
White hair stuck out in tufts from beneath a dark cap.
In winter, the head goes white apart from a darker cap and eye-spot.
Lucy was a step ahead of me, her face shadowed by a dark blue cap.
He pulled the sweater up over her dark cap of hair and tossed it away.
They have a dark cap with a white line over the eyes and a short thin bill.