Summary: There are so many colours in the world - so many in her. Only one evades her. But then, maybe she evades it.
Lily Evans always was too good for Black.
This is exquisite. So in character for both Lily and Sirius, and the exploration of the differences between Sirius's outward banter and all his inner tumult was really lovely. Of course, I love anything Sirius so I'm a bit biased, but the end of the story had me in tears!