Bests & Worsts Reviews from Amazon

I bought 4 of these pillows in the color "charcoal." However, I'm not really sure what that really means because each pillow is a different shade of grey. No 2 are exactly alike. I tried to turn them over, put them in different lighting but no...they are all different. Currently contemplating if I should buy 4 others and see if any of those match any of these? Otherwise, they look great!