My reference to colour choice had more to do with contrast than personal taste. I took a drunkard's path course with all skill levels represented. One of the ladies in the class had chosen two calico prints of the same value. When she was putting her paths together they didn't look the same as most of the others. She was perplexed as to why. So a couple of us told her that it needed more contrast. She was grateful.
I have seen several quilts that were really well made, but because there wasn't much contrast, the pattern didn't show as well. That's what I meant.