"Purple" Biomes not displaying quite purple

[rancid ice]

Hi! I'm using Terralith, Incendium, Tectonic, and Nullscape.
Forge 1.20.1 and terralith is version 2.5.4.

For some reason the codes on the changed colors for leaves don't seem quite right as they're more a greyish blue instead of a purpler hue that the biomes are designed to have.
This is on single player but the same situation occurs in singleplayer.
This is a modpack and so the list should be in the modrinth export given here.

The image is of a lavender valley for reference.

[lavish sand]

one of your resourcepacks/shaderpacks likely is interfering. try disabling them all and seeing if that fixes the issue

[tender holly]

disable brighter grass in quark's config

[rancid ice]

Ah interesting! Thanks for the tip!

Both of you are awesome, thanks for all the work you do 😊