Which background looks better on a white ipad?

[Madison]

I dont know which one to make as a backround on a white ipad so which do u think looks better...

1. The rainbow drips
http://lh1214.tumblr.com/image/45649723529
2. Blue+green drips
http://lh1214.tumblr.com/image/45649975338

Thanks

 

[PeytonAverym]

i like the rainbow one better cause it stands out more