diff --git a/gtk2_ardour/themes/blueberry_milk-ardour.colors b/gtk2_ardour/themes/blueberry_milk-ardour.colors
index 53f69c48a7..3398a11712 100644
--- a/gtk2_ardour/themes/blueberry_milk-ardour.colors
+++ b/gtk2_ardour/themes/blueberry_milk-ardour.colors
@@ -482,7 +482,7 @@
     <Modifier name="automation track fill" modifier="= alpha:0.3"/>
     <Modifier name="covered region base" modifier="= alpha:0.7"/>
     <Modifier name="crossfade alpha" modifier="= alpha:0.1803"/>
-    <Modifier name="dragging region" modifier="= alpha:0.9"/>
+    <Modifier name="dragging region" modifier="= alpha:0.5"/>
     <Modifier name="editable region" modifier="= alpha:0.15"/>
     <Modifier name="gain line inactive" modifier="= alpha:0.7725"/>
     <Modifier name="ghost track base" modifier="= alpha:0.640782"/>
diff --git a/gtk2_ardour/themes/caineville-ardour.colors b/gtk2_ardour/themes/caineville-ardour.colors
index 0aaa55b475..4c0b9ae560 100644
--- a/gtk2_ardour/themes/caineville-ardour.colors
+++ b/gtk2_ardour/themes/caineville-ardour.colors
@@ -483,7 +483,7 @@
     <Modifier name="automation track fill" modifier="= alpha:0.3"/>
     <Modifier name="covered region base" modifier="= alpha:0.7"/>
     <Modifier name="crossfade alpha" modifier="= alpha:0.1803"/>
-    <Modifier name="dragging region" modifier="= alpha:0.9"/>
+    <Modifier name="dragging region" modifier="= alpha:0.5"/>
     <Modifier name="editable region" modifier="= alpha:0.15"/>
     <Modifier name="gain line inactive" modifier="= alpha:0.7725"/>
     <Modifier name="ghost track base" modifier="= alpha:0.640782"/>
diff --git a/gtk2_ardour/themes/clear_gray-ardour.colors b/gtk2_ardour/themes/clear_gray-ardour.colors
index 06faf9028b..22a9349995 100644
--- a/gtk2_ardour/themes/clear_gray-ardour.colors
+++ b/gtk2_ardour/themes/clear_gray-ardour.colors
@@ -483,7 +483,7 @@
     <Modifier name="automation track fill" modifier="= alpha:0.3"/>
     <Modifier name="covered region base" modifier="= alpha:0.7"/>
     <Modifier name="crossfade alpha" modifier="= alpha:0.1803"/>
-    <Modifier name="dragging region" modifier="= alpha:0.9"/>
+    <Modifier name="dragging region" modifier="= alpha:0.5"/>
     <Modifier name="editable region" modifier="= alpha:0.15"/>
     <Modifier name="gain line inactive" modifier="= alpha:0.7725"/>
     <Modifier name="ghost track base" modifier="= alpha:0.640782"/>
diff --git a/gtk2_ardour/themes/cubasish-ardour.colors b/gtk2_ardour/themes/cubasish-ardour.colors
index 80af3d7901..528b6c5169 100644
--- a/gtk2_ardour/themes/cubasish-ardour.colors
+++ b/gtk2_ardour/themes/cubasish-ardour.colors
@@ -483,7 +483,7 @@
     <Modifier name="automation track fill" modifier="= alpha:0.3"/>
     <Modifier name="covered region base" modifier="= alpha:0.7"/>
     <Modifier name="crossfade alpha" modifier="= alpha:0.1803"/>
-    <Modifier name="dragging region" modifier="= alpha:0.9"/>
+    <Modifier name="dragging region" modifier="= alpha:0.5"/>
     <Modifier name="editable region" modifier="= alpha:0.15"/>
     <Modifier name="gain line inactive" modifier="= alpha:0.7725"/>
     <Modifier name="ghost track base" modifier="= alpha:0.640782"/>
diff --git a/gtk2_ardour/themes/dark-ardour.colors b/gtk2_ardour/themes/dark-ardour.colors
index 5ed6d9dd77..9b63cc90e6 100644
--- a/gtk2_ardour/themes/dark-ardour.colors
+++ b/gtk2_ardour/themes/dark-ardour.colors
@@ -484,7 +484,7 @@
     <Modifier name="automation track fill" modifier="= alpha:0.3"/>
     <Modifier name="covered region base" modifier="= alpha:0.7"/>
     <Modifier name="crossfade alpha" modifier="= alpha:0.1803"/>
-    <Modifier name="dragging region" modifier="= alpha:0.9"/>
+    <Modifier name="dragging region" modifier="= alpha:0.5"/>
     <Modifier name="editable region" modifier="= alpha:0.25"/>
     <Modifier name="gain line inactive" modifier="= alpha:0.7725"/>
     <Modifier name="ghost track base" modifier="= alpha:0.640782"/>
diff --git a/gtk2_ardour/themes/diehard3-ardour.colors b/gtk2_ardour/themes/diehard3-ardour.colors
index 42f8ffe54c..d6dca819d9 100644
--- a/gtk2_ardour/themes/diehard3-ardour.colors
+++ b/gtk2_ardour/themes/diehard3-ardour.colors
@@ -484,7 +484,7 @@
     <Modifier name="automation track fill" modifier="= alpha:0.29999999999999999"/>
     <Modifier name="covered region base" modifier="= alpha:0.43717289719626168"/>
     <Modifier name="crossfade alpha" modifier="= alpha:0.18029999999999999"/>
-    <Modifier name="dragging region" modifier="= alpha:0.90000000000000002"/>
+    <Modifier name="dragging region" modifier="= alpha:0.5"/>
     <Modifier name="editable region" modifier="= alpha:0.1202803738317757"/>
     <Modifier name="gain line inactive" modifier="= alpha:0.77249999999999996"/>
     <Modifier name="ghost track base" modifier="= alpha:0.64078199999999996"/>
diff --git a/gtk2_ardour/themes/recbox-ardour.colors b/gtk2_ardour/themes/recbox-ardour.colors
index fcb7d24b04..8e150ca5ce 100644
--- a/gtk2_ardour/themes/recbox-ardour.colors
+++ b/gtk2_ardour/themes/recbox-ardour.colors
@@ -484,7 +484,7 @@
     <Modifier name="automation track fill" modifier="= alpha:0.29999999999999999"/>
     <Modifier name="covered region base" modifier="= alpha:0.69999999999999996"/>
     <Modifier name="crossfade alpha" modifier="= alpha:0.18029999999999999"/>
-    <Modifier name="dragging region" modifier="= alpha:0.90000000000000002"/>
+    <Modifier name="dragging region" modifier="= alpha:0.5"/>
     <Modifier name="editable region" modifier="= alpha:0.25"/>
     <Modifier name="gain line inactive" modifier="= alpha:0.77249999999999996"/>
     <Modifier name="ghost track base" modifier="= alpha:0.64078199999999996"/>
diff --git a/gtk2_ardour/themes/unastudia-ardour.colors b/gtk2_ardour/themes/unastudia-ardour.colors
index dbe4cfe275..8841f76943 100644
--- a/gtk2_ardour/themes/unastudia-ardour.colors
+++ b/gtk2_ardour/themes/unastudia-ardour.colors
@@ -482,7 +482,7 @@
     <Modifier name="automation track fill" modifier="= alpha:0.3"/>
     <Modifier name="covered region base" modifier="= alpha:0.7"/>
     <Modifier name="crossfade alpha" modifier="= alpha:0.1803"/>
-    <Modifier name="dragging region" modifier="= alpha:0.9"/>
+    <Modifier name="dragging region" modifier="= alpha:0.5"/>
     <Modifier name="editable region" modifier="= alpha:0.15"/>
     <Modifier name="gain line inactive" modifier="= alpha:0.7725"/>
     <Modifier name="ghost track base" modifier="= alpha:0.640782"/>
diff --git a/gtk2_ardour/themes/xcolors-ardour.colors b/gtk2_ardour/themes/xcolors-ardour.colors
index 2bb3da05a8..219f7edfc8 100644
--- a/gtk2_ardour/themes/xcolors-ardour.colors
+++ b/gtk2_ardour/themes/xcolors-ardour.colors
@@ -483,7 +483,7 @@
     <Modifier name="automation track fill" modifier="= alpha:0.5"/>
     <Modifier name="covered region base" modifier="= alpha:0.7"/>
     <Modifier name="crossfade alpha" modifier="= alpha:0.2"/>
-    <Modifier name="dragging region" modifier="= alpha:0.9"/>
+    <Modifier name="dragging region" modifier="= alpha:0.5"/>
     <Modifier name="editable region" modifier="= alpha:0.1"/>
     <Modifier name="gain line inactive" modifier="= alpha:0.8"/>
     <Modifier name="ghost track base" modifier="= alpha:0.7"/>