they look fine! I'm pretty sure that with wear that lumpy part will go away.
as for colors that go together - there are no rules. go wild if you like. I plan on making an Avocado and Tulip pair soon. also considering Carrot and Blue Bonnet, as well as Violet and Hollyberry.
KK! yoo hoo, where is KK? I recall her mentioning that she likes the prefelted stitch pattern on the uppers.