Color schemes

Have them in different colors that complement your colors if you want the look to be completely coordinated.

I think they should wear what ever color they want too.

The moms generally wear whatever color they want - but many "try" to at least coordinate with the bridal party. Let them pick their own dress - they know the colors of the wedding, most likely they'll try to look cohesive. As far as a flower girl dress though - get on Etsy and browse. That's how we found ours and there's almost every style or color you could dream of on there.

I told the moms wear whatever you want- they don't need to match or complement one another- I didn't care.