Lost small bright green pet tree frog named 'Sprout' with yellow spots in backyard in Mattoon.

I lost my pet green tree frog named 'Sprout' while playing outside in my backyard here in Mattoon. I noticed he was gone when I went to check on him earlier today. He’s pretty small, about the size of a golf ball, and has bright green skin with some little yellow spots. If anyone sees him hopping around, please let me know!