diff --git a/ts/lib/sass/_vars.scss b/ts/lib/sass/_vars.scss
index a8da766ad..434c0f7cb 100644
--- a/ts/lib/sass/_vars.scss
+++ b/ts/lib/sass/_vars.scss
@@ -153,7 +153,7 @@ $vars: (
             default: (
                 "Border color with medium contrast against window background",
                 (
-                    light: palette(lightgray, 6),
+                    light: palette(lightgray, 9),
                     dark: palette(darkgray, 7),
                 ),
             ),