diff --git a/src/Mod/PartDesign/Gui/StyleParameters.h b/src/Mod/PartDesign/Gui/StyleParameters.h
index 8e35383d01..38dbededff 100644
--- a/src/Mod/PartDesign/Gui/StyleParameters.h
+++ b/src/Mod/PartDesign/Gui/StyleParameters.h
@@ -33,10 +33,10 @@ namespace PartDesignGui::StyleParameters {
     DEFINE_STYLE_PARAMETER(PreviewDressUpColor, Base::Color(1.0F, 0.0F, 1.0F));
 
     DEFINE_STYLE_PARAMETER(PreviewErrorColor, Base::Color(1.0F, 0.0F, 0.0F));
-    DEFINE_STYLE_PARAMETER(PreviewErrorTransparency, Gui::StyleParameters::Numeric(0.95));
+    DEFINE_STYLE_PARAMETER(PreviewErrorOpacity, Gui::StyleParameters::Numeric(0.05));
 
-    DEFINE_STYLE_PARAMETER(PreviewToolTransparency, Gui::StyleParameters::Numeric(0.95));
-    DEFINE_STYLE_PARAMETER(PreviewShapeTransparency, Gui::StyleParameters::Numeric(0.8));
+    DEFINE_STYLE_PARAMETER(PreviewToolOpacity, Gui::StyleParameters::Numeric(0.05));
+    DEFINE_STYLE_PARAMETER(PreviewShapeOpacity, Gui::StyleParameters::Numeric(0.2));
 
     DEFINE_STYLE_PARAMETER(PreviewLineWidth, Gui::StyleParameters::Numeric(2));
 }
diff --git a/src/Mod/PartDesign/Gui/ViewProvider.cpp b/src/Mod/PartDesign/Gui/ViewProvider.cpp
index bd976a8b64..09e040a4f7 100644
--- a/src/Mod/PartDesign/Gui/ViewProvider.cpp
+++ b/src/Mod/PartDesign/Gui/ViewProvider.cpp
@@ -221,10 +221,13 @@ void ViewProvider::attachPreview()
 
     auto* styleParameterManager = Base::provideService<Gui::StyleParameters::ParameterManager>();
 
-    pcPreviewShape->lineWidth = styleParameterManager->resolve(StyleParameters::PreviewLineWidth).value;
+    const double opacity = styleParameterManager->resolve(StyleParameters::PreviewToolOpacity).value;
+    const double lineWidth = styleParameterManager->resolve(StyleParameters::PreviewLineWidth).value;
+
+    pcPreviewShape->lineWidth = static_cast<float>(lineWidth);
 
     pcToolPreview = new PartGui::SoPreviewShape;
-    pcToolPreview->transparency = styleParameterManager->resolve(StyleParameters::PreviewToolTransparency).value;
+    pcToolPreview->transparency = 1.0F - static_cast<float>(opacity);
     pcToolPreview->color.connectFrom(&pcPreviewShape->color);
 
     pcPreviewRoot->addChild(pcToolPreview);
diff --git a/src/Mod/PartDesign/Gui/ViewProviderBoolean.cpp b/src/Mod/PartDesign/Gui/ViewProviderBoolean.cpp
index 7346f45e42..c6ad95eaa0 100644
--- a/src/Mod/PartDesign/Gui/ViewProviderBoolean.cpp
+++ b/src/Mod/PartDesign/Gui/ViewProviderBoolean.cpp
@@ -153,7 +153,9 @@ void ViewProviderBoolean::attachPreview()
 void ViewProviderBoolean::updatePreview()
 {
     const auto* styleParameterManager = Base::provideService<Gui::StyleParameters::ParameterManager>();
-    const float toolTransparency = static_cast<float>(styleParameterManager->resolve(StyleParameters::PreviewToolTransparency).value);
+
+    const double toolOpacity = styleParameterManager->resolve(StyleParameters::PreviewToolOpacity).value;
+    const double toolTransparency = 1.0 - toolOpacity;
 
     auto boolean = getObject<PartDesign::Boolean>();
 
@@ -173,7 +175,7 @@ void ViewProviderBoolean::updatePreview()
         auto pcToolPreview = new PartGui::SoPreviewShape;
         updatePreviewShape(toolShape, pcToolPreview);
 
-        pcToolPreview->transparency.setValue(toolTransparency);
+        pcToolPreview->transparency.setValue(static_cast<float>(toolTransparency));
         pcToolPreview->color.connectFrom(&pcPreviewShape->color);
         pcToolPreview->lineWidth.connectFrom(&pcPreviewShape->lineWidth);
 
@@ -194,7 +196,7 @@ void ViewProviderBoolean::updatePreview()
         auto pcBaseShapePreview = new PartGui::SoPreviewShape;
         updatePreviewShape(baseFeature->Shape.getShape(), pcBaseShapePreview);
 
-        pcBaseShapePreview->transparency.setValue(toolTransparency);
+        pcBaseShapePreview->transparency.setValue(static_cast<float>(toolTransparency));
         pcBaseShapePreview->color.setValue(baseFeatureViewProvider->ShapeAppearance.getDiffuseColor().asValue<SbColor>());
         pcBaseShapePreview->lineWidth.connectFrom(&pcPreviewShape->lineWidth);
 
diff --git a/src/Mod/PartDesign/Gui/ViewProviderDressUp.cpp b/src/Mod/PartDesign/Gui/ViewProviderDressUp.cpp
index d6a25dc858..8420adbf15 100644
--- a/src/Mod/PartDesign/Gui/ViewProviderDressUp.cpp
+++ b/src/Mod/PartDesign/Gui/ViewProviderDressUp.cpp
@@ -140,12 +140,14 @@ void ViewProviderDressUp::setErrorState(bool error)
 {
     auto* styleParameterManager = Base::provideService<Gui::StyleParameters::ParameterManager>();
 
-    pcPreviewShape->transparency = styleParameterManager
-                                       ->resolve(error ? StyleParameters::PreviewErrorTransparency
-                                                       : StyleParameters::PreviewShapeTransparency)
-                                       .value;
+    const float opacity =
+        static_cast<float>(styleParameterManager
+                               ->resolve(error ? StyleParameters::PreviewErrorOpacity
+                                               : StyleParameters::PreviewShapeOpacity)
+                               .value);
+
+    pcPreviewShape->transparency = 1.0F - opacity;
     pcPreviewShape->color = error
         ? styleParameterManager->resolve(StyleParameters::PreviewErrorColor).asValue<SbColor>()
         : PreviewColor.getValue().asValue<SbColor>();
 }
-