diff --git a/extensions/theme-defaults/themes/light_defaults.json b/extensions/theme-defaults/themes/light_defaults.json
index dc53cbfb1ea05bf3d47f4e0d94bffee6c9c2d005..91c5fb1d93a8051af615026a789f7f665a82315b 100644
--- a/extensions/theme-defaults/themes/light_defaults.json
+++ b/extensions/theme-defaults/themes/light_defaults.json
@@ -7,7 +7,7 @@
 		"editor.inactiveSelectionBackground": "#E5EBF1",
 		"editorIndentGuide.background": "#D3D3D3",
 		"editorIndentGuide.activeBackground": "#939393",
-		"editor.selectionHighlightBackground": "#ADD6FF4D",
+		"editor.selectionHighlightBackground": "#ADD6FF80",
 		"editorSuggestWidget.background": "#F3F3F3",
 		"activityBarBadge.background": "#007ACC",
 		"sideBarTitle.foreground": "#6F6F6F",