Originally Posted by Prism99
I think a lavender or turquoise would be charming! Black makes me shudder because it is so out-of-keeping with the period during which the butterflies were made.
Same feeling here. I'd personally go with turqouise as I'm not too fond of lavender.
Sewlmatesister's suggestion looks really nice too. I could imagine this to work very well with your butterflies.
Edited to add: Or turqouise with lavender cornerstones?