diff --git a/res/color/recurrence_done_text_color_black.xml b/res/color/recurrence_done_text_color_black.xml
index 1782824..4d70572 100644
--- a/res/color/recurrence_done_text_color_black.xml
+++ b/res/color/recurrence_done_text_color_black.xml
@@ -15,7 +15,7 @@
 -->
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <item android:state_enabled="false" android:color="#424242"/>
+    <item android:state_enabled="false" android:color="@color/grid_line_dark"/>
     <item android:state_enabled="true" android:color="#ffffff"/>
 
 </selector>
diff --git a/res/values/colors.xml b/res/values/colors.xml
index 530765b..1dc9d2f 100644
--- a/res/values/colors.xml
+++ b/res/values/colors.xml
@@ -308,7 +308,7 @@
     <color name="fg_dark_secondary">#99ffffff</color>
     <color name="app_bar_dark">@color/bg_dark</color>
 
-    <color name="grid_line_dark">#424242</color>
+    <color name="grid_line_dark">#151618</color>
 
     <color name="month_bgcolor_dark">@color/bg_dark</color>
     <color name="month_selected_week_bgcolor_dark">#FFDDDDDD</color>