diff --git a/src/main/java/ca/blarg/gdx/tilemap3d/json/tilemap/JsonTileMap.java b/src/main/java/ca/blarg/gdx/tilemap3d/json/tilemap/JsonTileMap.java
index 6145564..3a0fca2 100644
--- a/src/main/java/ca/blarg/gdx/tilemap3d/json/tilemap/JsonTileMap.java
+++ b/src/main/java/ca/blarg/gdx/tilemap3d/json/tilemap/JsonTileMap.java
@@ -10,6 +10,8 @@ public class JsonTileMap {
 	public int heightInChunks;
 	public int depthInChunks;
 	public String lightingMode;
+	public int ambientLightValue;
+	public int skyLightValue;
 	public String tileMeshes;
 	public ArrayList<String> chunks;
 }
diff --git a/src/main/java/ca/blarg/gdx/tilemap3d/json/tilemap/TileMapJsonLoader.java b/src/main/java/ca/blarg/gdx/tilemap3d/json/tilemap/TileMapJsonLoader.java
index 76523cf..0c772b6 100644
--- a/src/main/java/ca/blarg/gdx/tilemap3d/json/tilemap/TileMapJsonLoader.java
+++ b/src/main/java/ca/blarg/gdx/tilemap3d/json/tilemap/TileMapJsonLoader.java
@@ -56,6 +56,9 @@ public class TileMapJsonLoader {
 			lighter
 		);
 
+		tileMap.ambientLightValue = (byte)definition.ambientLightValue;
+		tileMap.skyLightValue = (byte)definition.skyLightValue;
+
 		for (int i = 0; i < definition.chunks.size(); ++i) {
 			String encodedChunk = definition.chunks.get(i);
 			TileChunk outputChunk = tileMap.getChunks()[i];
diff --git a/src/main/java/ca/blarg/gdx/tilemap3d/json/tilemap/TileMapSaver.java b/src/main/java/ca/blarg/gdx/tilemap3d/json/tilemap/TileMapSaver.java
index 78416d6..4d781f4 100644
--- a/src/main/java/ca/blarg/gdx/tilemap3d/json/tilemap/TileMapSaver.java
+++ b/src/main/java/ca/blarg/gdx/tilemap3d/json/tilemap/TileMapSaver.java
@@ -32,6 +32,9 @@ public class TileMapSaver {
 		else if (tileMap.lighter instanceof LightSpreadingTileMapLighter)
 			jsonMap.lightingMode = "skyAndSources";
 
+		jsonMap.ambientLightValue = (int)tileMap.ambientLightValue;
+		jsonMap.skyLightValue = (int)tileMap.skyLightValue;
+
 		// each serialized chunk will be the same size in bytes (same number of tiles in each)
 		int chunkSizeInBytes = tileMap.getChunks()[0].getData().length * TileDataSerializer.TILE_SIZE_BYTES;