Hi ! after testing your mod i found it does not work when playing on a server:
-particles are visible in first person
-old colors aren't working wether using the built in ressourcepack or a custom one

Potion effect icons are still functionnal

version v1.0.1 for Fabric/Quilt MC 1.20.1
qfapi-7.1.0_qsl-6.1.0_fapi-0.86.1_mc-1.20.1