diff --git a/resources/shaders/mm_gouraud.fs b/resources/shaders/mm_gouraud.fs
index 4a74d75b5..ee78991a3 100644
--- a/resources/shaders/mm_gouraud.fs
+++ b/resources/shaders/mm_gouraud.fs
@@ -58,7 +58,7 @@ void main()
          }
          else if( transformed_normal.z < slope.normal_z - EPSILON)
         {
-            color = color * 0.5 + LightRed * 0.5;
+            color = color * 0.7 + LightRed * 0.3;
             alpha = 1.0;
         }
     }
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoPainterBase.hpp b/src/slic3r/GUI/Gizmos/GLGizmoPainterBase.hpp
index 2bbab7887..eeba58771 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoPainterBase.hpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoPainterBase.hpp
@@ -84,8 +84,8 @@ public:
     };
 
     // BBS
-    static constexpr std::array<float, 4> enforcers_color{ 0.5f, 1.f, 0.5f, 1.f };
-    static constexpr std::array<float, 4> blockers_color{ 1.f, 0.5f, 0.5f, 1.f };
+    static constexpr std::array<float, 4> enforcers_color{0.627f, 0.627f, 0.827f, 1.0f};//=GLVolume::SUPPORT_ENFORCER_COL
+    static constexpr std::array<float, 4> blockers_color{0.823f, 0.627f, 0.627f, 1.0f};//=GLVolume::SUPPORT_BLOCKER_COL
 
 #ifdef PRUSASLICER_TRIANGLE_SELECTOR_DEBUG
     void render_debug(ImGuiWrapper* imgui);