diff --git a/frontend/src/ts/constants/themes.ts b/frontend/src/ts/constants/themes.ts
index 65ff67be0..632519cc4 100644
--- a/frontend/src/ts/constants/themes.ts
+++ b/frontend/src/ts/constants/themes.ts
@@ -1114,6 +1114,12 @@ export const themes: Record<ThemeName, Omit<Theme, "name">> = {
     subColor: "#5b578e",
     textColor: "#f4e0c9",
   },
+  constant_lehigh: {
+    bgColor: "#502d0e",
+    mainColor: "#f5e9ad",
+    subColor: "#ffffff",
+    textColor: "#fff5a8",
+  },
 };
 
 export const ThemesList: Theme[] = Object.keys(themes)
diff --git a/frontend/static/themes/constant_lehigh.css b/frontend/static/themes/constant_lehigh.css
new file mode 100644
index 000000000..6568a93f1
--- /dev/null
+++ b/frontend/static/themes/constant_lehigh.css
@@ -0,0 +1,12 @@
+:root {
+  --bg-color: #502d0e;
+  --main-color: #f5e9ad;
+  --caret-color: #fde21e;
+  --sub-color: #ffffff;
+  --sub-alt-color: #693e16;
+  --text-color: #fff5a8;
+  --error-color: #ef4b3b;
+  --error-extra-color: #ff0000;
+  --colorful-error-color: #fb5095;
+  --colorful-error-extra-color: #c2004e;
+}
diff --git a/packages/schemas/src/themes.ts b/packages/schemas/src/themes.ts
index c7c8c548a..365d0514d 100644
--- a/packages/schemas/src/themes.ts
+++ b/packages/schemas/src/themes.ts
@@ -187,6 +187,7 @@ export const ThemeNameSchema = z.enum(
     "watermelon",
     "wavez",
     "witch_girl",
+    "constant_lehigh",
   ],
   {
     errorMap: customEnumErrorHandler("Must be a known theme"),