[1.20.1] Modded Green Biome Chunks

I'm using a modpack and I noticed these gray (green when you're in them) squares that signify a different biome, I'm not sure what got turned on or what mod is at fault for this but I would like to turn these off, it doesn't seem to be a normal F3 command

https://preview.redd.it/ccqngusw8e5h1.png?width=1920&format=png&auto=webp&s=5118fc08cd69b823bcac01141fa8a64cf51bb833

https://preview.redd.it/g4c6oe4d9e5h1.png?width=1920&format=png&auto=webp&s=1f7277748987ca5a1944a161852810ff7df98c56