When choosing or editing a gaming or anime PFP, keep your subject’s silhouette...

https://oscar-wiki.win/index.php/How_Do_I_Make_a_Pale_Character_Work_Without_Changing_the_Character_Colors%3F

When choosing or editing a gaming or anime PFP, keep your subject’s silhouette clear and crop tightly around the face. Use a simple background and avoid text so your icon stays recognizable even super small