changes sculk, sculk catalysts, sculk shriekers, sculk veins, sculk sensors, echo shards, recovery compasses, related particles and the warden to be red in color instead of a light blue, giving it a more bloody and fleshy vibe, especially with the accents looking more like bones

this one really makes me think of terraria's underground crimson biome

OTHER COLORS:

Green - https://www.planetminecraft.com/texture-pack/colored-sculk-green/

Red - https://www.planetminecraft.com/texture-pack/colored-sculk-red/

Purple - https://www.planetminecraft.com/texture-pack/colored-sculk-purple/

Grey - https://www.planetminecraft.com/texture-pack/colored-sculk-grey/

Violet - https://www.planetminecraft.com/texture-pack/colored-sculk-violet/