diff --git a/extensions/theme-defaults/themes/dark_vs.json b/extensions/theme-defaults/themes/dark_vs.json
index 71b5a62a274..7b3c8d5e6fd 100644
--- a/extensions/theme-defaults/themes/dark_vs.json
+++ b/extensions/theme-defaults/themes/dark_vs.json
@@ -20,7 +20,8 @@
 		"sideBarSectionHeader.background": "#0000",
 		"sideBarSectionHeader.border": "#ccc3",
 		"tab.lastPinnedBorder": "#ccc3",
-		"list.activeSelectionIconForeground": "#FFF"
+		"list.activeSelectionIconForeground": "#FFF",
+		"terminal.inactiveSelectionBackground": "#3A3D41",
 	},
 	"tokenColors": [
 		{
diff --git a/extensions/theme-defaults/themes/light_vs.json b/extensions/theme-defaults/themes/light_vs.json
index d88e6ff90d6..7a80ebf00e0 100644
--- a/extensions/theme-defaults/themes/light_vs.json
+++ b/extensions/theme-defaults/themes/light_vs.json
@@ -26,7 +26,8 @@
 		"notebook.selectedCellBackground": "#c8ddf150",
 		"statusBarItem.errorBackground": "#c72e0f",
 		"list.activeSelectionIconForeground": "#FFF",
-		"list.focusAndSelectionOutline": "#90C2F9"
+		"list.focusAndSelectionOutline": "#90C2F9",
+		"terminal.inactiveSelectionBackground": "#E5EBF1",
 	},
 	"tokenColors": [
 		{
diff --git a/extensions/theme-monokai-dimmed/themes/dimmed-monokai-color-theme.json b/extensions/theme-monokai-dimmed/themes/dimmed-monokai-color-theme.json
index 27b9277f724..ea84bededd5 100644
--- a/extensions/theme-monokai-dimmed/themes/dimmed-monokai-color-theme.json
+++ b/extensions/theme-monokai-dimmed/themes/dimmed-monokai-color-theme.json
@@ -59,7 +59,8 @@
 		"terminal.ansiBrightBlue": "#819aff", // hue shifted #AE81FF
 		"terminal.ansiBrightMagenta": "#AE81FF",
 		"terminal.ansiBrightCyan": "#66D9EF",
-		"terminal.ansiBrightWhite": "#f8f8f2"
+		"terminal.ansiBrightWhite": "#f8f8f2",
+		"terminal.inactiveSelectionBackground": "#676b7140"
 	},
 	"tokenColors": [
 		{