the beginnings of a bento box quilt

I finally started my bento box quilt and I'm having color doubts...

I'm not sure if I love the brown in the mix. Is the brown is too dark? Does it jump out too much?

Here it is without any brown. Does it lack a certain zing that the brown brings to the mix?

Since it will be going on my bed, maybe the brown fabric will be the key to tie everything together once it's done and on the bed?

What do you think?