diff --git a/src/Ursa.Themes.Semi/Themes/Dark/DatePicker.axaml b/src/Ursa.Themes.Semi/Themes/Dark/DatePicker.axaml
index 663edbd..13afe0e 100644
--- a/src/Ursa.Themes.Semi/Themes/Dark/DatePicker.axaml
+++ b/src/Ursa.Themes.Semi/Themes/Dark/DatePicker.axaml
@@ -5,7 +5,7 @@
     <SolidColorBrush x:Key="CalenderDayInRangeBackground" Opacity="0.2" Color="#54A9FF" />
     <SolidColorBrush x:Key="CalenderDayTodayBackground" Opacity="0.12" Color="White" />
     <SolidColorBrush x:Key="CalenderDayTodayForeground" Color="#54A9FF" />
-    <SolidColorBrush x:Key="CalenderDayNotCurrentMonthForeground" Color="#555B61" />
+    <SolidColorBrush x:Key="CalenderDayNotCurrentMonthForeground" Opacity="0.6" Color="#F9F9F9" />
     <SolidColorBrush x:Key="CalenderDayPointeroverBackground" Opacity="0.12" Color="White" />
     <SolidColorBrush x:Key="CalenderDayPressedBackground" Opacity="0.16" Color="White" />
 
diff --git a/src/Ursa.Themes.Semi/Themes/Light/DatePicker.axaml b/src/Ursa.Themes.Semi/Themes/Light/DatePicker.axaml
index 23fad7a..a720143 100644
--- a/src/Ursa.Themes.Semi/Themes/Light/DatePicker.axaml
+++ b/src/Ursa.Themes.Semi/Themes/Light/DatePicker.axaml
@@ -5,7 +5,7 @@
     <SolidColorBrush x:Key="CalenderDayInRangeBackground" Color="#EAF5FF" />
     <SolidColorBrush x:Key="CalenderDayTodayBackground" Opacity="0.05" Color="#2E3238" />
     <SolidColorBrush x:Key="CalenderDayTodayForeground" Color="#0077FA" />
-    <SolidColorBrush x:Key="CalenderDayNotCurrentMonthForeground" Color="#A7ABB0" />
+    <SolidColorBrush x:Key="CalenderDayNotCurrentMonthForeground" Opacity="0.62" Color="#1C1F23" />
     <SolidColorBrush x:Key="CalenderDayPointeroverBackground" Opacity="0.05" Color="#2E3238" />
     <SolidColorBrush x:Key="CalenderDayPressedBackground" Opacity="0.09" Color="#2E3238" />