use a bit lighter toolbar color at dark system theme

Author: tibbi

app/src/main/res/values-night-v31/colors.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <color name="you_keyboard_background_color">@android:color/system_neutral1_900</color>
-    <color name="you_keyboard_toolbar_color">#111111</color>
+    <color name="you_keyboard_toolbar_color">#151515</color>
 </resources>