When I first saw this title, I thought "everything is hard about blue" but then after I read your post, I realized it wasn't what I was thinking about. I was thinking about how hard I find it to match blues (especially navy) in my quilts. D-u-h. I'm so silly!
I'm with the other kids here... I never ask. It's been my experience that most people are so happy to get something hand made that they don't care what color it is. Granted, I don't go nuts with color, but still...