diff --git a/arduino-ide-extension/src/browser/data/dark.color-theme.json b/arduino-ide-extension/src/browser/data/dark.color-theme.json
index ef011a2ca..6930a193b 100644
--- a/arduino-ide-extension/src/browser/data/dark.color-theme.json
+++ b/arduino-ide-extension/src/browser/data/dark.color-theme.json
@@ -4,7 +4,7 @@
   "colors": {
     "list.highlightForeground": "#0ca1a6",
     "list.activeSelectionForeground": "#dae3e3",
-    "list.activeSelectionBackground": "#434f54",
+    "list.activeSelectionBackground": "#0ca1a64d",
     "list.inactiveSelectionForeground": "#dae3e3",
     "list.inactiveSelectionBackground": "#434f54",
     "list.hoverBackground": "#1f272a",
@@ -45,7 +45,8 @@
     "arduino.foreground": "#edf1f1",
     "arduino.output.foreground": "#ffffff",
     "arduino.output.background": "#000000",
-    "arduino.toolbar.hoverBackground": "#dae3e3",
+    "arduino.toolbar.button.hoverBackground": "#dae3e3",
+    "arduino.toolbar.button.background": "#0ca1a6",
     "sideBar.background": "#101618",
     "sideBar.foreground": "#dae3e3",
     "input.background": "#000000",
diff --git a/arduino-ide-extension/src/browser/data/default.color-theme.json b/arduino-ide-extension/src/browser/data/default.color-theme.json
index 36b150a0b..54d3e7101 100644
--- a/arduino-ide-extension/src/browser/data/default.color-theme.json
+++ b/arduino-ide-extension/src/browser/data/default.color-theme.json
@@ -4,7 +4,7 @@
   "colors": {
     "list.highlightForeground": "#008184",
     "list.activeSelectionForeground": "#4e5b61",
-    "list.activeSelectionBackground": "#dae3e3",
+    "list.activeSelectionBackground": "#00818433",
     "list.inactiveSelectionForeground": "#4e5b61",
     "list.inactiveSelectionBackground": "#dae3e3",
     "list.hoverBackground": "#ecf1f1",
@@ -22,7 +22,7 @@
     "menu.selectionBackground": "#dae3e3",
     "menu.selectionForeground": "#212121",
     "editorGroupHeader.tabsBackground": "#ecf1f1",
-    "button.background": "#7fcbcd",
+    "button.background": "#008184",
     "button.foreground": "#f7f9f9",
     "button.hoverBackground": "#005C5F",
     "titleBar.activeBackground": "#006d70",
@@ -45,7 +45,8 @@
     "arduino.foreground": "#edf1f1",
     "arduino.output.foreground": "#ffffff",
     "arduino.output.background": "#000000",
-    "arduino.toolbar.hoverBackground": "#f7f9f9",
+    "arduino.toolbar.button.hoverBackground": "#f7f9f9",
+    "arduino.toolbar.button.background": "#7fcbcd",
     "sideBar.background": "#f7f9f9",
     "sideBar.foreground": "#4e5b61",
     "input.background": "#ffffff",