This theme makes me think of Animal Crossing. I like it!
I would have to agree on a lack of contrast, though. You've got bright text on a bright background! The text should be darkened and/or made a different colour that better contrasts.
Maybe a forest green (#44A248) for the green text, and an indochine orange (#C36F00) for the orange text? [I'm getting these colours and names off a website, by the way.]