I've made a card that fits the bill at two of my favourite challenge sites - this sketch, at Sunny Challenges & Creations ...
.... and this heavenly colour combo at Dynamic Duos:
I think these soft colours would be beautiful for an engagement or wedding card, so that's what I set out to make. Here's the end result:
Stamps: Beautifully Baroque
Card: Pistachio Pudding, Very Vanilla, Blushing Bride
DSP: Pistachio Pudding Patterns Designer Series Paper
Ink: Pistachio Pudding and Blushing Bride stampin' pads
Other: Deco Labels Collection framelits, Expressions thinlits (available 29th August), Basic Pearls, Blushing Bride Chevron Ribbon, Fancy Fan embossing folder, stampin' dimensionals, two-way glue pen