So weird pink dye and blue dye tests

Angelica • 26 Years Old! Married to My Bestfriend💍, 4 Year Old Daughter 👧🏽, Miscarried In May 2017! 🌈 Rainbow Baby Born June 8th 👶🏻❤️

The clearblue is actually 13 DPO also but not FMU how come it looks so lighter than the pink dye ones ?