diff --git a/paper-server/src/main/java/io/papermc/paper/datacomponent/item/PaperCustomModelData.java b/paper-server/src/main/java/io/papermc/paper/datacomponent/item/PaperCustomModelData.java
index 33a93c8ac..e2f2d435b 100644
--- a/paper-server/src/main/java/io/papermc/paper/datacomponent/item/PaperCustomModelData.java
+++ b/paper-server/src/main/java/io/papermc/paper/datacomponent/item/PaperCustomModelData.java
@@ -40,7 +40,7 @@ public record PaperCustomModelData(
 
     @Override
     public List<Color> colors() {
-        return MCUtil.transformUnmodifiable(this.impl.colors(), Color::fromRGB);
+        return MCUtil.transformUnmodifiable(this.impl.colors(), color -> Color.fromRGB(color & 0x00FFFFFF)); // skip alpha channel
     }
 
     static final class BuilderImpl implements CustomModelData.Builder {
diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/components/CraftCustomModelDataComponent.java b/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/components/CraftCustomModelDataComponent.java
index 09c6d22f8..d74f47c5c 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/components/CraftCustomModelDataComponent.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/inventory/components/CraftCustomModelDataComponent.java
@@ -1,6 +1,5 @@
 package org.bukkit.craftbukkit.inventory.components;
 
-import java.util.ArrayList;
 import java.util.Collections;
 import java.util.LinkedHashMap;
 import java.util.List;
@@ -57,7 +56,7 @@ public final class CraftCustomModelDataComponent implements CustomModelDataCompo
 
     @Override
     public void setFloats(List<Float> floats) {
-        this.handle = new CustomModelData(new ArrayList<>(floats), this.handle.flags(), this.handle.strings(), this.handle.colors());
+        this.handle = new CustomModelData(List.copyOf(floats), this.handle.flags(), this.handle.strings(), this.handle.colors());
     }
 
     @Override
@@ -67,7 +66,7 @@ public final class CraftCustomModelDataComponent implements CustomModelDataCompo
 
     @Override
     public void setFlags(List<Boolean> flags) {
-        this.handle = new CustomModelData(this.handle.floats(), List.copyOf(flags), this.handle.strings(), this.handle.colors()); // Paper
+        this.handle = new CustomModelData(this.handle.floats(), List.copyOf(flags), this.handle.strings(), this.handle.colors());
     }
 
     @Override
@@ -77,17 +76,17 @@ public final class CraftCustomModelDataComponent implements CustomModelDataCompo
 
     @Override
     public void setStrings(List<String> strings) {
-        this.handle = new CustomModelData(this.handle.floats(), this.handle.flags(), List.copyOf(strings), this.handle.colors()); // Paper
+        this.handle = new CustomModelData(this.handle.floats(), this.handle.flags(), List.copyOf(strings), this.handle.colors());
     }
 
     @Override
     public List<Color> getColors() {
-        return this.getHandle().colors().stream().map(Color::fromRGB).toList();
+        return this.getHandle().colors().stream().map(color -> Color.fromRGB(color & 0x00FFFFFF)).toList(); // skip alpha channel
     }
 
     @Override
     public void setColors(List<Color> colors) {
-        this.handle = new CustomModelData(this.handle.floats(), this.handle.flags(), this.handle.strings(), colors.stream().map(Color::asRGB).toList()); // Paper
+        this.handle = new CustomModelData(this.handle.floats(), this.handle.flags(), this.handle.strings(), colors.stream().map(Color::asRGB).toList());
     }
 
     @Override
@@ -95,14 +94,11 @@ public final class CraftCustomModelDataComponent implements CustomModelDataCompo
         if (this == obj) {
             return true;
         }
-        if (obj == null) {
-            return false;
-        }
-        if (this.getClass() != obj.getClass()) {
+        if (obj == null || this.getClass() != obj.getClass()) {
             return false;
         }
         final CraftCustomModelDataComponent other = (CraftCustomModelDataComponent) obj;
-        return Objects.equals(this.handle, other.handle);
+        return this.handle.equals(other.handle);
     }
 
     @Override
@@ -114,6 +110,6 @@ public final class CraftCustomModelDataComponent implements CustomModelDataCompo
 
     @Override
     public String toString() {
-        return "CraftCustomModelDataComponent{" + "handle=" + this.handle + '}';
+        return "CraftCustomModelDataComponent{component=" + this.handle + '}';
     }
 }