noun
pallor
PAL-er/ˈpælər/
Unusual paleness of the skin, often from illness or fear.
The man's unusual pallor contrasts with the warmer skin of his neck and arms.

Etymology
Latin pallor names paleness and derives from a verb meaning “be pale” or “turn pale.” The selected English sense focuses that state on an unusually pale face or skin.
In context
Then looking up and seeing the grey pallor of her face, which even her great joy could not in a moment efface, she stroked it
More examples
- Her sudden pallor reveals how frightened she is.
- His pallor fades as he recovers from the illness.
- Even in the dim light, her pallor is unmistakable.
Similar words
- paleness
- Paleness also describes light color in objects, not just skin.
- wanness
- Wanness suggests a tired or unhealthy appearance as well.