As an Amateur Artist (my pfp was drawn by me) – You are correct. Though in this particular picture I have no trouble telling her shape from the background objects.
Addendum: In cartoon art, generally, black fills are avoided. Instead you use very dark grey for black things, so as to keep the (black) outline distinct. Other artstyles have other ways of doing stuff.
As an Amateur Artist (my pfp was drawn by me) – You are correct. Though in this particular picture I have no trouble telling her shape from the background objects.
Addendum: In cartoon art, generally, black fills are avoided. Instead you use very dark grey for black things, so as to keep the (black) outline distinct. Other artstyles have other ways of doing stuff.