Mine seems to always have edges, but varies from yellow to white as the base color. I think BE and I have one of those relationships where we just know we love each other, but don't have to say it in words, it just shines through in our faces and expressions.
Since she happened to bloom for me today, here is an 8:30pm picture. She's a little worn out from the day and a quick evening rain we got, but mostly still beautiful. I did just notice she's missing a sepal, though.