When picking or editing your gaming or anime PFP, focus on a clear silhouette...

https://daltonssuperjournal.wordcanopy.com/posts/how-do-i-test-if-my-avatar-works-on-both-dark-and-light-interfaces

When picking or editing your gaming or anime PFP, focus on a clear silhouette and high contrast to make sure it stands out as a tiny circle. Crop close to the face and keep the background simple—avoid text or busy details