I went with a lovely citrus-type color scheme for the lanterns.
I colored the lanterns with watercolors.
I barely made the time limit. It took me 9 minutes and 42 seconds. Whew! At least I made it! :)
Oh, and a tip on trying to create a card within 10 minutes: don't do it while watching one of your favorite movies. You end up watching the movie too much and not crafting. lol. :)