For this card, I used the layout from CAS Colours and Sketch's #267 and the colours from Color Throwdown's #488. I like the result enough that it's shortlisted for my daughter's birthday card!
Papermill Freehand Lines stencil
Simon Says Stamp Artsy Flower Parts stamps and dies
Stampin' Up Whisper White heavy cardstock, ink (Cucumber Crush, Pool Party, So Saffron, Basic Black) and Candy Dots