Rgb color accuracy on Lightroom Mobile

While editing the following photos on Lightroom mobile I noticed a discrepancy in what Lightroom was "showing" and what was in reality being exported to my photos(see figures 1 and 2) 

it's hard to tell if you can see a visible difference in the attached photos but the saturation of the yellow background is dulled any ideas on solutions.

for reference all photos are being expired at 100% quality using adobe rgb and the most up to date version of the aplication.