Depicting skin tone in grayscale is not easy. The woman in today’s comic (my coworker Shirley) is from Ghana, so no, I don’t have gray-skinned coworkers.
Depicting skin tone in grayscale is not easy. The woman in today’s comic (my coworker Shirley) is from Ghana, so no, I don’t have gray-skinned coworkers.
Sketches From Memory 
I’m pretty sure that actual gray skin means some sort of serious heart issue.
Or zombies.
Either way, as you are both alive, your explanation is accepted.