diff --git a/src/theme/DefaultTheme.ts b/src/theme/DefaultTheme.ts
index 57e7649..e6fe2ae 100644
--- a/src/theme/DefaultTheme.ts
+++ b/src/theme/DefaultTheme.ts
@@ -7,6 +7,7 @@ const defaultTheme: Theme = {
   storeColor: "#3FBAC2",
   storeColorWhenPlayerTurn: "#6cab94",
   holeColor: "#D3D4D8",
+  pitSelectedColor: "#8837fa",
   ballColor: "#393E46",
   ballLightColor: "#393E46",
   pitGameMoveAnimateColor: "#c9b43c",
diff --git a/src/theme/Theme.ts b/src/theme/Theme.ts
index 3434c11..8027648 100644
--- a/src/theme/Theme.ts
+++ b/src/theme/Theme.ts
@@ -5,6 +5,7 @@ export type Theme = {
   storeColor: string;
   storeColorWhenPlayerTurn: string;
   holeColor: string;
+  pitSelectedColor: string;
   ballColor: string;
   ballLightColor: string;
   pitGameMoveAnimateColor: string;