Well, it depends: If your friend wants something dark-er, than blue, then I would pick purple. While blue can be a sort of brighter color for certain situations.
As many times as you want makes most sense to me but they all fit in the sentence
Annie Robert i'm almost positive
C-Intarsia
Intarsia is a process, also known as inlay, in which spaces are cut into wood and filled with wood shapes of a different color.