diff --git a/web/edit.css b/web/edit.css
index 582c5b5806c75dfe77f7f5b0ed3daddbca558afb..3631c81b335f07422f7b2057ed1c00833c7111a0 100644
--- a/web/edit.css
+++ b/web/edit.css
@@ -122,7 +122,7 @@ styleguide *[source="lang-file"] {
     background-color: #dfffdf;
 }
 styleguide *[source="this-session"] {
-    background-color: #bfffbf;
+    background-color: #b0ffb0;
 }
 styleguide nav:not([todo="0"]) {
     background-color: #ffb0b0;