diff --git a/PartPreviewWindow/View3D/Actions/MeshWrapperObject3D.cs b/PartPreviewWindow/View3D/Actions/MeshWrapperObject3D.cs
index e21ac59b8..a968cf175 100644
--- a/PartPreviewWindow/View3D/Actions/MeshWrapperObject3D.cs
+++ b/PartPreviewWindow/View3D/Actions/MeshWrapperObject3D.cs
@@ -138,6 +138,8 @@ namespace MatterHackers.MatterControl.PartPreviewWindow.View3D
 				item.Visible = true;
 				// set the mesh back to the child mesh
 				item.Mesh = item.Children.First().Mesh;
+				// and set the color back
+				item.Color = item.Children.First().Color;
 			}
 		}
 	}
diff --git a/PartPreviewWindow/View3D/Actions/SubtractAndReplace.cs b/PartPreviewWindow/View3D/Actions/SubtractAndReplace.cs
index f354989cd..a53b76ecf 100644
--- a/PartPreviewWindow/View3D/Actions/SubtractAndReplace.cs
+++ b/PartPreviewWindow/View3D/Actions/SubtractAndReplace.cs
@@ -252,6 +252,8 @@ namespace MatterHackers.MatterControl.PartPreviewWindow.View3D
 
 						paint.Mesh = paintMesh;
 
+						paint.Color = paint.WorldColor().AdjustContrast(keepObjects.First().WorldColor(), 2).ToColor();
+
 						// now set it to the new solid color
 						paint.OutputType = PrintOutputTypes.Solid;
 					}
diff --git a/Submodules/agg-sharp b/Submodules/agg-sharp
index 6e7df2a84..11144110b 160000
--- a/Submodules/agg-sharp
+++ b/Submodules/agg-sharp
@@ -1 +1 @@
-Subproject commit 6e7df2a849ad4028c4f451dea4b1fa220ef368e8
+Subproject commit 11144110b2f997f2b107ff7c598ec243a9f4109a