diff --git a/core/src/main/java/net/momirealms/craftengine/core/pack/misc/EquipmentGeneration.java b/core/src/main/java/net/momirealms/craftengine/core/pack/misc/EquipmentGeneration.java
index 47430f516..917643964 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/pack/misc/EquipmentGeneration.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/pack/misc/EquipmentGeneration.java
@@ -3,7 +3,12 @@ package net.momirealms.craftengine.core.pack.misc;
 import com.google.gson.JsonArray;
 import com.google.gson.JsonObject;
 import net.momirealms.craftengine.core.item.setting.EquipmentData;
+import net.momirealms.craftengine.core.pack.model.tint.Tint;
+import net.momirealms.craftengine.core.util.Color;
+import net.momirealms.craftengine.core.util.MiscUtils;
+import net.momirealms.craftengine.core.util.ResourceConfigUtils;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -107,15 +112,15 @@ public class EquipmentGeneration implements Supplier<JsonObject> {
         layersJson.add(key, layersArray);
     }
 
-    public record Layer(String texture, boolean dyeable) implements Supplier<JsonObject> {
+    public record Layer(String texture, DyeableData data) implements Supplier<JsonObject> {
 
         @NotNull
         public static List<Layer> fromConfig(Object obj) {
             if (obj instanceof String texture) {
-                return List.of(new Layer(texture, false));
+                return List.of(new Layer(texture, null));
             } else if (obj instanceof Map<?, ?> map) {
                 String texture = map.get("texture").toString();
-                return List.of(new Layer(texture, map.containsKey("dyeable")));
+                return List.of(new Layer(texture, DyeableData.fromObj(map.get("dyeable"))));
             } else if (obj instanceof List<?> list) {
                 List<Layer> layers = new ArrayList<>();
                 for (Object inner : list) {
@@ -131,10 +136,33 @@ public class EquipmentGeneration implements Supplier<JsonObject> {
         public JsonObject get() {
             JsonObject jsonObject = new JsonObject();
             jsonObject.addProperty("texture", texture);
-            if (dyeable) {
-                jsonObject.add("dyeable", new JsonObject());
+            if (this.data != null) {
+                jsonObject.add("dyeable", this.data.get());
             }
             return jsonObject;
         }
+
+        public record DyeableData(@Nullable Integer colorWhenUndyed) implements Supplier<JsonObject> {
+
+            public static DyeableData fromObj(Object obj) {
+                if (obj instanceof Map<?,?> map) {
+                    Map<String, Object> data = MiscUtils.castToMap(map, false);
+                    if (data.containsKey("color-when-undyed")) {
+                        // todo 添加更多数据类型支持
+                        return new DyeableData(ResourceConfigUtils.getAsInt(data.get("color-when-undyed"), "color-when-undyed"));
+                    }
+                }
+                return new DyeableData(null);
+            }
+
+            @Override
+            public JsonObject get() {
+                JsonObject dyeData = new JsonObject();
+                if (this.colorWhenUndyed != null) {
+                    dyeData.addProperty("color_when_undyed", this.colorWhenUndyed);
+                }
+                return dyeData;
+            }
+        }
     }
 }
diff --git a/core/src/main/java/net/momirealms/craftengine/core/util/Color.java b/core/src/main/java/net/momirealms/craftengine/core/util/Color.java
index 24da61b00..0e47529c1 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/util/Color.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/util/Color.java
@@ -20,6 +20,10 @@ public class Color {
         this(r, g, b, DEFAULT_ALPHA);
     }
 
+    public int toDecimal() {
+        return DEFAULT_ALPHA << 24 | (r << 16) | (g << 8) | b;
+    }
+
     public static Color fromString(String[] strings) {
         if (strings.length == 3) {
             return new Color(Byte.parseByte(strings[0]), Byte.parseByte(strings[1]), Byte.parseByte(strings[2]));
diff --git a/gradle.properties b/gradle.properties
index beaf09e99..159a9f1f2 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,7 +2,7 @@ org.gradle.jvmargs=-Xmx1G
 
 # Project settings
 # Rule: [major update].[feature update].[bug fix]
-project_version=0.0.57.5
+project_version=0.0.57.6
 config_version=37
 lang_version=18
 project_group=net.momirealms