diff --git a/data/tokens/components/container.json b/data/tokens/components/container.json
index 9bcadf3f..6d2afce9 100644
--- a/data/tokens/components/container.json
+++ b/data/tokens/components/container.json
@@ -133,15 +133,6 @@
         "dimmer": {
           "value": "{modes.color.generic.bg.inverse.nought}",
           "type": "color",
-          "$extensions": {
-            "studio.tokens": {
-              "modify": {
-                "type": "alpha",
-                "value": "0.4",
-                "space": "lch"
-              }
-            }
-          },
           "description": "dimmed mask for dialogs"
         },
         "icon": {
@@ -1618,6 +1609,13 @@
           "type": "opacity",
           "description": "opacity applied to next and previous carousel slides"
         }
+      },
+      "dialog": {
+        "dimmer": {
+          "value": "0.4",
+          "type": "opacity",
+          "description": "dimmer opacity value"
+        }
       }
     },
     "typography": {