diff --git a/webui/src/styles/organizations.css b/webui/src/styles/organizations.css
index fd06a65..324b3e1 100644
--- a/webui/src/styles/organizations.css
+++ b/webui/src/styles/organizations.css
@@ -1,6 +1,6 @@
 .organizations-workspace {
   grid-template-columns: 230px minmax(0, 1fr);
-  background: var(--bg, #f8f7f4);
+  background: var(--bg);
 }
 
 .organizations-page {
@@ -113,7 +113,7 @@
 .organizations-tree-node:hover,
 .organizations-tree-node.active {
   border-color: var(--line);
-  background: var(--surface-muted, #f6f7f9);
+  background: var(--surface-muted);
 }
 
 .organizations-tree-node span {