I suck at coordinating colors and so many of you are so good at it!

DD1's absolute *favorite* color is blue, so it's a no brainer to use blue as the main color for her party! I'm thinking a light springy blue like this:

Hopefully I can catch some good decorations for after Easter sales.

What color would you pair with this shade of blue?
She's turning 4 and her party is at the zoo. Thanks!