diff --git a/src/render/software/CanvasPreview.cpp b/src/render/software/CanvasPreview.cpp
index 61b63ef..e37b41d 100644
--- a/src/render/software/CanvasPreview.cpp
+++ b/src/render/software/CanvasPreview.cpp
@@ -3,6 +3,7 @@
 #include "Color.h"
 #include "CanvasLiveClient.h"
 #include "Mutex.h"
+#include "ColorProfile.h"
 
 #include <cassert>
 
@@ -18,12 +19,14 @@ CanvasPreview::CanvasPreview()
     dirty_up = -1;
 
     lock = new Mutex();
+    profile = new ColorProfile();
 }
 
 CanvasPreview::~CanvasPreview()
 {
     delete [] pixels;
     delete lock;
+    delete profile;
 }
 
 void CanvasPreview::setSize(int real_width, int real_height, int preview_width, int preview_height)
@@ -77,7 +80,7 @@ void CanvasPreview::updateLive(CanvasLiveClient *client)
     {
         for (x = dirty_left; x <= dirty_right; x++)
         {
-            client->canvasPainted(x, y, pixels[y * width + x]);
+            client->canvasPainted(x, y, profile->apply(pixels[y * width + x]));
         }
     }
 
diff --git a/src/render/software/CanvasPreview.h b/src/render/software/CanvasPreview.h
index e6607d3..35ef00a 100644
--- a/src/render/software/CanvasPreview.h
+++ b/src/render/software/CanvasPreview.h
@@ -36,6 +36,8 @@ private:
     int width;
     int height;
 
+    ColorProfile *profile;
+
     int dirty_left;
     int dirty_right;
     int dirty_down;
diff --git a/src/render/software/Rasterizer.cpp b/src/render/software/Rasterizer.cpp
index 43e4b57..009d984 100644
--- a/src/render/software/Rasterizer.cpp
+++ b/src/render/software/Rasterizer.cpp
@@ -339,7 +339,7 @@ void Rasterizer::renderScanLines(CanvasPortion *canvas, RenderScanlines* scanlin
                 Color frag_color = *color;
                 if (cury == starty || cury == endy)
                 {
-                    frag_color.mask(Color(0.0, 0.0, 0.0, 0.1));
+                    frag_color.mask(Color(0.0, 0.0, 0.0, 0.3));
                 }
                 fragment.setColor(frag_color);