diff --git a/src/registrar/assets/sass/_theme/_uswds-theme.scss b/src/registrar/assets/sass/_theme/_uswds-theme.scss
index 0cdf6675e..a26f23508 100644
--- a/src/registrar/assets/sass/_theme/_uswds-theme.scss
+++ b/src/registrar/assets/sass/_theme/_uswds-theme.scss
@@ -116,6 +116,10 @@ in the form $setting: value,
   $theme-color-success-light: $dhs-green-30,
   $theme-color-success-lighter: $dhs-green-15,
 
+  /*---------------------------
+  ## Emergency state
+  ----------------------------*/ 
+  $theme-color-emergency: #FFC3F9,
 
   /*---------------------------
   # Input settings 
diff --git a/src/registrar/templates/includes/non-production-alert.html b/src/registrar/templates/includes/non-production-alert.html
index 4f8aaeac0..811e1f9de 100644
--- a/src/registrar/templates/includes/non-production-alert.html
+++ b/src/registrar/templates/includes/non-production-alert.html
@@ -1,5 +1,5 @@
-<div class="usa-alert usa-alert--warning usa-alert--slim margin-y-0 {% if add_class %}{{ add_class }}{% endif %}">
+<div class="usa-alert usa-alert--emergency margin-y-0 {% if add_class %}{{ add_class }}{% endif %}">
     <div class="usa-alert__body {% if add_body_class %}{{ add_body_class }}{% endif %}">
-        <b>WARNING:</b> You are not on production.
+        <b>WARNING:</b> You are on a test site.
     </div>
 </div>
diff --git a/src/registrar/tests/test_environment_variables_effects.py b/src/registrar/tests/test_environment_variables_effects.py
index 9ef065aeb..3a838c2a2 100644
--- a/src/registrar/tests/test_environment_variables_effects.py
+++ b/src/registrar/tests/test_environment_variables_effects.py
@@ -22,10 +22,10 @@ class MyTestCase(TestCase):
     def test_production_environment(self):
         """No banner on prod."""
         home_page = self.client.get("/")
-        self.assertNotContains(home_page, "You are not on production.")
+        self.assertNotContains(home_page, "You are on a test site.")
 
     @override_settings(IS_PRODUCTION=False)
     def test_non_production_environment(self):
         """Banner on non-prod."""
         home_page = self.client.get("/")
-        self.assertContains(home_page, "You are not on production.")
+        self.assertContains(home_page, "You are on a test site.")