The inner petals fade out, and then get a yucky creamy color. Also, sometimes the blooms are lopsided like or kind of flat(ish).
Here is a link that might be useful: Bowl of Beauty at bloomingbulbs
Looks awfully similar but the inner petals on BB look a bit lighter? Very pretty! I hope some of my peonies will grow up to look like yours.
Yes I think it is. Blooms on Bowl of Beauty seem to change gradually as the bloom ages. Al