diff --git a/release/datafiles/userdef/userdef_default_theme.c b/release/datafiles/userdef/userdef_default_theme.c
index 55d768d76cc..d6f14ec2720 100644
--- a/release/datafiles/userdef/userdef_default_theme.c
+++ b/release/datafiles/userdef/userdef_default_theme.c
@@ -755,9 +755,9 @@ const bTheme U_theme_default = {
     .nodeclass_geometry = RGBA(0x1d725eff),
     .nodeclass_attribute = RGBA(0x1d2546ff),
     .node_zone_simulation = RGBA(0x66416233),
-    .node_zone_repeat = RGBA(0x708C7233),
+    .node_zone_repeat = RGBA(0x76512f33),
     .node_zone_foreach_geometry_element = RGBA(0x33527f33),
-    .node_zone_closure = RGBA(0x734F4233),
+    .node_zone_closure = RGBA(0x7D7D3A33),
     .movie = RGBA(0x0f0f0fcc),
     .gp_vertex_size = 3,
     .gp_vertex = RGBA(0x97979700),
diff --git a/source/blender/blenkernel/BKE_blender_version.h b/source/blender/blenkernel/BKE_blender_version.h
index 75e37e6bc3d..ca9b153f37a 100644
--- a/source/blender/blenkernel/BKE_blender_version.h
+++ b/source/blender/blenkernel/BKE_blender_version.h
@@ -27,7 +27,7 @@
 
 /* Blender file format version. */
 #define BLENDER_FILE_VERSION BLENDER_VERSION
-#define BLENDER_FILE_SUBVERSION 54
+#define BLENDER_FILE_SUBVERSION 55
 
 /* Minimum Blender version that supports reading file written with the current
  * version. Older Blender versions will test this and cancel loading the file, showing a warning to
diff --git a/source/blender/blenloader/intern/versioning_userdef.cc b/source/blender/blenloader/intern/versioning_userdef.cc
index 74d63b9a579..f763adfb0e5 100644
--- a/source/blender/blenloader/intern/versioning_userdef.cc
+++ b/source/blender/blenloader/intern/versioning_userdef.cc
@@ -363,6 +363,11 @@ static void do_versions_theme(const UserDef *userdef, bTheme *btheme)
     FROM_DEFAULT_V4_UCHAR(tui.waxis);
   }
 
+  if (!USER_VERSION_ATLEAST(405, 55)) {
+    FROM_DEFAULT_V4_UCHAR(space_node.node_zone_closure);
+    FROM_DEFAULT_V4_UCHAR(space_node.node_zone_repeat);
+  }
+
   /**
    * Always bump subversion in BKE_blender_version.h when adding versioning
    * code here, and wrap it inside a USER_VERSION_ATLEAST check.
diff --git a/source/blender/editors/space_node/drawnode.cc b/source/blender/editors/space_node/drawnode.cc
index adcc9fb7464..fc14fc77e0d 100644
--- a/source/blender/editors/space_node/drawnode.cc
+++ b/source/blender/editors/space_node/drawnode.cc
@@ -968,7 +968,7 @@ static const float std_node_socket_colors[][4] = {
     {0.40, 0.40, 0.40, 1.0}, /* SOCK_MENU */
     {0.72, 0.20, 0.52, 1.0}, /* SOCK_MATRIX */
     {0.30, 0.50, 0.50, 1.0}, /* SOCK_BUNDLE */
-    {0.45, 0.30, 0.26, 1.0}, /* SOCK_CLOSURE */
+    {0.49, 0.49, 0.23, 1.0}, /* SOCK_CLOSURE */
 };
 
 void std_node_socket_colors_get(int socket_type, float *r_color)