diff --git a/core/designsystem/src/main/java/com/wap/designsystem/Color.kt b/core/designsystem/src/main/java/com/wap/designsystem/Color.kt
index 2bede920..2caf011d 100644
--- a/core/designsystem/src/main/java/com/wap/designsystem/Color.kt
+++ b/core/designsystem/src/main/java/com/wap/designsystem/Color.kt
@@ -13,6 +13,7 @@ val Gray95 = Color(0xFF959595)
 val Gray82 = Color(0xFF828282)
 val Gray7C = Color(0xFF7C7C7C)
 val Gray4A = Color(0xFF49494A)
+val Black20 = Color(0xFF202022)
 val Black25 = Color(0xFF252424)
 val Black42 = Color(0xFF424242)
 val Black = Color(0xFF000000)
@@ -36,6 +37,7 @@ class WappColor(
     white: Color = Color(0xFFFFFFFF),
     black: Color = Color(0xFF000000),
     backgroundBlack: Color = Color(0xFF131313),
+    black20: Color = Color(0xFF202022),
     black25: Color = Color(0xFF252424),
     black42: Color = Color(0xFF424242),
     gray95: Color = Color(0xFF959595),
@@ -62,6 +64,8 @@ class WappColor(
         private set
     var backgroundBlack by mutableStateOf(backgroundBlack)
         private set
+    var black20 by mutableStateOf(black20)
+        private set
     var black25 by mutableStateOf(black25)
         private set
     var black42 by mutableStateOf(black42)
diff --git a/feature/notice/src/main/java/com/wap/wapp/feature/notice/NoticeScreen.kt b/feature/notice/src/main/java/com/wap/wapp/feature/notice/NoticeScreen.kt
index b1179017..00bf7558 100644
--- a/feature/notice/src/main/java/com/wap/wapp/feature/notice/NoticeScreen.kt
+++ b/feature/notice/src/main/java/com/wap/wapp/feature/notice/NoticeScreen.kt
@@ -74,6 +74,7 @@ internal fun NoticeScreen(
             scaffoldState = scaffoldState,
             sheetContainerColor = WappTheme.colors.black25,
             sheetPeekHeight = defaultHeight,
+            sheetShadowElevation = 20.dp,
             sheetContent = {
                 BottomSheetContent(
                     expandableHeight = expandableHeight,
@@ -92,7 +93,7 @@ internal fun NoticeScreen(
                 onCalendarMonthChanged = onCalendarMonthChanged,
                 measureDefaultModifier = Modifier
                     .fillMaxWidth()
-                    .background(WappTheme.colors.black25)
+                    .background(WappTheme.colors.black20)
                     .layout { measurable, constraints ->
                         val placeable = measurable.measure(constraints)