Very few of my quilts incorporate true bright white.
24/7 is one of them. This detail image shows how a striking pure white background creates a sharp contrast for the hands of the clock (5:00 o'clock).
.JPG)
Sometimes white conveys a realistic concept such as the puffy white cloud in this close up of
Good Morning.

Just a touch of white makes eyes come alive as shown in this whimsical sheep in my quilt,
Footloose. Always add a bright white highlight in the iris of eyes.