diff --git a/resources/css/app.css b/resources/css/app.css
index 67989a000..53565c508 100644
--- a/resources/css/app.css
+++ b/resources/css/app.css
@@ -1107,7 +1107,7 @@ html[data-theme="custom"] textarea:disabled {
     width: 100%;
     padding: 2rem 1rem;
     background:
-        radial-gradient(circle at 50% 0%, color-mix(in oklab, var(--color-accent) 9%, transparent), transparent 34rem),
+        radial-gradient(circle at 50% 0%, color-mix(in oklab, var(--color-coollabs) 9%, transparent), transparent 34rem),
         var(--coollabs-canvas);
     color: #171717;
 }
diff --git a/tests/Feature/LoginPageBrandingTest.php b/tests/Feature/LoginPageBrandingTest.php
index 328d91199..5d60290ab 100644
--- a/tests/Feature/LoginPageBrandingTest.php
+++ b/tests/Feature/LoginPageBrandingTest.php
@@ -37,6 +37,14 @@ test('auth pages use the Coollabs purple background glow', function () {
         ->not->toMatch('/\.auth-shell\s*\{[^}]*color-mix\(in oklab, var\(--color-accent\) 9%, transparent\)/s');
 });
 
+test('error pages use the Coollabs purple background glow', function () {
+    $styles = file_get_contents(resource_path('css/app.css'));
+
+    expect($styles)
+        ->toMatch('/\.error-shell\s*\{[^}]*color-mix\(in oklab, var\(--color-coollabs\) 9%, transparent\)/s')
+        ->not->toMatch('/\.error-shell\s*\{[^}]*color-mix\(in oklab, var\(--color-accent\) 9%, transparent\)/s');
+});
+
 test('confirm password page uses the shared auth shell', function () {
     $confirm = file_get_contents(resource_path('views/auth/confirm-password.blade.php'));