Plot: Harry died in the final battle but not before killing Voldermort. Hermione and Ron miss him. They see him
around everywhere and expect him to still be around then they realise that he's dead. It's been a long time and their memories are all blurred and jumbled, they are trying to remember him.

Black and white - when they see Harry around but he isn't really there.

Blurred - memories (less info)