diff --git a/requirements.txt b/requirements.txt
index 9b785358..f585e335 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,8 +17,6 @@ mesh-to-sdf>=0.0.14
 # UV unwrapping
 xatlas>=0.0.11
 
-# Advanced remeshing
-PyNanoInstantMeshes>=0.1.0
-
 # Skeleton extraction (optional)
 skeletor>=1.2.0
+PyNanoInstantMeshes
diff --git a/web/viewer_vtk.html b/web/viewer_vtk.html
index 84de9f74..85874227 100644
--- a/web/viewer_vtk.html
+++ b/web/viewer_vtk.html
@@ -257,6 +257,14 @@
 
         console.log('[GeomPack VTK Viewer] Initializing...');
 
+        // Helper function to convert RGB values (0-1 range) to RGB string
+        function createRGBStringFromRGBValues(r, g, b) {
+            const r255 = Math.round(r * 255);
+            const g255 = Math.round(g * 255);
+            const b255 = Math.round(b * 255);
+            return `rgb(${r255}, ${g255}, ${b255})`;
+        }
+
         const loading = document.getElementById('loading');
         const container = document.getElementById('container');
 
diff --git a/web/viewer_vtk_filters.html b/web/viewer_vtk_filters.html
index cbac6809..b368601f 100644
--- a/web/viewer_vtk_filters.html
+++ b/web/viewer_vtk_filters.html
@@ -324,6 +324,14 @@
 
         console.log('[GeomPack VTK Filters] Initializing...');
 
+        // Helper function to convert RGB values (0-1 range) to RGB string
+        function createRGBStringFromRGBValues(r, g, b) {
+            const r255 = Math.round(r * 255);
+            const g255 = Math.round(g * 255);
+            const b255 = Math.round(b * 255);
+            return `rgb(${r255}, ${g255}, ${b255})`;
+        }
+
         const loading = document.getElementById('loading');
         const container = document.getElementById('container');