2 halo bassinest fitted sheets

2 halo bassinest swivel sleeper 100% cotton fitted sheets. Plain white color- no pattern or print. 1 is more white (see side by side overlap picture), 100% cotton 1 slightly discolored (very faint- hard to see in soft white light. Need to use more blue light to see well), 100% organic cotton. Aside from discoloration as noted, no other stains holes rips pilling noted when photographing