diff --git a/packages/astro/test/css-path-case.test.ts b/packages/astro/test/css-path-case.test.ts
index e7885e41f628..a282a77a6291 100644
--- a/packages/astro/test/css-path-case.test.ts
+++ b/packages/astro/test/css-path-case.test.ts
@@ -74,7 +74,7 @@ describe('CSS scoped styles with a case-mismatched project root', {
 	it('injects the scoped style into the page (issue #14013)', () => {
 		const injectedStyles = $('style').text().replace(/\s/g, '');
 		assert.equal(
-			injectedStyles.includes('color:rgb(255,165,0)'),
+			injectedStyles.includes('color:#123456'),
 			true,
 			'expected the scoped <style> to be injected even though the root case differs from disk',
 		);
diff --git a/packages/astro/test/fixtures/css-path-case/src/pages/index.astro b/packages/astro/test/fixtures/css-path-case/src/pages/index.astro
index 41728861dc47..8804bb101365 100644
--- a/packages/astro/test/fixtures/css-path-case/src/pages/index.astro
+++ b/packages/astro/test/fixtures/css-path-case/src/pages/index.astro
@@ -12,6 +12,6 @@
 
 <style>
 	h1 {
-		color: rgb(255, 165, 0);
+		color: #123456;
 	}
 </style>