Thank you all for the great suggestions and good information! I never thought about the solid white/off white colors changing like the other lines/colors do. Maybe I will just purchase the correct color of white based on the quilt...and not try to always use the same color of white.
I was going to use the same color after reading a suggestion that it makes it soooooo much easier to use your white scraps if they match....made excellent sense to me!!
Might have to practice more on my cutting skills and buy some yardage....yikes!! Looks to be much cheaper!!