diff --git a/resources/themes/cura-dark/theme.json b/resources/themes/cura-dark/theme.json
index bb7012396c..4874b2a100 100644
--- a/resources/themes/cura-dark/theme.json
+++ b/resources/themes/cura-dark/theme.json
@@ -175,7 +175,7 @@
         "all_axis": [255, 255, 255, 255],
 
         "viewport_background": [31, 36, 39, 255],
-        "volume_outline": [1, 168, 230, 255],
+        "volume_outline": [12, 169, 227, 128],
         "buildplate": [169, 169, 169, 255],
         "buildplate_grid": [129, 131, 134, 255],
         "buildplate_grid_minor": [154, 154, 155, 255],