diff --git a/forge-1.18/src/main/java/org/dynmap/forge_1_18/ForgeMapChunkCache.java b/forge-1.18/src/main/java/org/dynmap/forge_1_18/ForgeMapChunkCache.java
index fbcf362d..476613c8 100644
--- a/forge-1.18/src/main/java/org/dynmap/forge_1_18/ForgeMapChunkCache.java
+++ b/forge-1.18/src/main/java/org/dynmap/forge_1_18/ForgeMapChunkCache.java
@@ -2,8 +2,11 @@ package org.dynmap.forge_1_18;
 
 import java.util.List;
 
+import net.minecraft.world.level.biome.Biome;
+import net.minecraft.world.level.biome.BiomeSpecialEffects;
 import org.dynmap.DynmapChunk;
 import org.dynmap.Log;
+import org.dynmap.common.BiomeMap;
 import org.dynmap.common.chunk.GenericChunk;
 import org.dynmap.common.chunk.GenericChunkCache;
 import org.dynmap.common.chunk.GenericMapChunkCache;
@@ -86,4 +89,17 @@ public class ForgeMapChunkCache extends GenericMapChunkCache {
 			return null;
 		}
 	}
+	@Override
+	public int getFoliageColor(BiomeMap bm, int[] colormap, int x, int z) {
+		return bm.<Biome>getBiomeObject().map(Biome::getSpecialEffects)
+				.flatMap(BiomeSpecialEffects::getFoliageColorOverride)
+				.orElse(colormap[bm.biomeLookup()]);
+	}
+
+	@Override
+	public int getGrassColor(BiomeMap bm, int[] colormap, int x, int z) {
+		BiomeSpecialEffects effects = bm.<Biome>getBiomeObject().map(Biome::getSpecialEffects).orElse(null);
+		if (effects == null) return colormap[bm.biomeLookup()];
+		return effects.getGrassColorModifier().modifyColor(x, z, effects.getGrassColorOverride().orElse(colormap[bm.biomeLookup()]));
+	}
 }