"The grayish cast suggested that it was synthetic."

His skin seemed to have a grayish cast, and he'd been unusually quiet for several hours.

Besides that, the skin had an unnatural, grayish cast.

In front of her eyes Jay Mac's hair seemed to take on a more grayish cast.

Their green leaves, ovate in form, have a grayish cast.

What was left gave his hair a grayish cast, as though he had aged twenty years overnight.

His face had once again taken on a grayish cast.

She noticed a grayish cast begin to spread across Bree's pale features.

The soil, brown with a slightly grayish cast, is unhealthy in appearance.

The foliage, which has a slightly pebbled texture, is soft green with a grayish cast.