The sky is deep blue today and it feels great.
I was moved by the sight of the bright blue sea.
ghastly pale; white as a sheet
Describes a face drained of color due to shock, fear, or illness.
He turned ghastly pale upon hearing the news.
She stood there with a face white as a sheet.
The deep blue sea stretched out to the horizon.
His face went white as a sheet when he heard the news.
She turned pale when she heard about the accident.