diff --git a/Userland/Services/WebContent/PageClient.cpp b/Userland/Services/WebContent/PageClient.cpp
index 64b957df7ce..3e0288e591e 100644
--- a/Userland/Services/WebContent/PageClient.cpp
+++ b/Userland/Services/WebContent/PageClient.cpp
@@ -145,8 +145,8 @@ void PageClient::setup_palette()
     VERIFY(!buffer_or_error.is_error());
     auto buffer = buffer_or_error.release_value();
     auto* theme = buffer.data<Gfx::SystemTheme>();
-    theme->color[(int)Gfx::ColorRole::Window] = Color::Magenta;
-    theme->color[(int)Gfx::ColorRole::WindowText] = Color::Cyan;
+    theme->color[to_underlying(Gfx::ColorRole::Window)] = Color(Color::Magenta).value();
+    theme->color[to_underlying(Gfx::ColorRole::WindowText)] = Color(Color::Cyan).value();
     m_palette_impl = Gfx::PaletteImpl::create_with_anonymous_buffer(buffer);
 }
 
diff --git a/Userland/Services/WebWorker/PageHost.cpp b/Userland/Services/WebWorker/PageHost.cpp
index 303a1b5f9a3..bca371587fa 100644
--- a/Userland/Services/WebWorker/PageHost.cpp
+++ b/Userland/Services/WebWorker/PageHost.cpp
@@ -42,8 +42,8 @@ void PageHost::setup_palette()
     VERIFY(!buffer_or_error.is_error());
     auto buffer = buffer_or_error.release_value();
     auto* theme = buffer.data<Gfx::SystemTheme>();
-    theme->color[to_underlying(Gfx::ColorRole::Window)] = Color::Magenta;
-    theme->color[to_underlying(Gfx::ColorRole::WindowText)] = Color::Cyan;
+    theme->color[to_underlying(Gfx::ColorRole::Window)] = Color(Color::Magenta).value();
+    theme->color[to_underlying(Gfx::ColorRole::WindowText)] = Color(Color::Cyan).value();
     m_palette_impl = Gfx::PaletteImpl::create_with_anonymous_buffer(buffer);
 }