When choosing or editing a gaming or anime PFP, focus on a strong silhouette...

https://atomic-wiki.win/index.php/How_Do_I_Decide_If_My_Avatar_Needs_a_Plain_Background_or_a_Lightly_Textured_One%3F

When choosing or editing a gaming or anime PFP, focus on a strong silhouette and clear face crop so it’s readable even super small. Keep the background simple—no busy details or text—and test how it looks in both light and dark modes