diff --git a/build/psalm-baseline.xml b/build/psalm-baseline.xml
index 75b316dbb6202..d9a9f067710db 100644
--- a/build/psalm-baseline.xml
+++ b/build/psalm-baseline.xml
@@ -4684,14 +4684,6 @@
       <code><![CDATA[array{X-Request-Id: string, Cache-Control: string, Content-Security-Policy: string, Feature-Policy: string, X-Robots-Tag: string, Last-Modified?: string, ETag?: string, ...H}]]></code>
     </MoreSpecificReturnType>
   </file>
-  <file src="lib/public/Color.php">
-    <LessSpecificReturnStatement>
-      <code><![CDATA[$step]]></code>
-    </LessSpecificReturnStatement>
-    <MoreSpecificReturnType>
-      <code><![CDATA[array{0: int, 1: int, 2: int}]]></code>
-    </MoreSpecificReturnType>
-  </file>
   <file src="lib/public/Preview/BeforePreviewFetchedEvent.php">
     <LessSpecificReturnStatement>
       <code><![CDATA[$this->mode]]></code>
diff --git a/lib/public/Color.php b/lib/public/Color.php
index c8ba3a1ff1559..5523dbd94cb87 100644
--- a/lib/public/Color.php
+++ b/lib/public/Color.php
@@ -125,7 +125,7 @@ public function alphaBlending(float $opacity, Color $source): Color {
 	 * Calculate steps between two Colors
 	 * @param int $steps start color
 	 * @param Color[] $ends end color
-	 * @return array{0: int, 1: int, 2: int} [r,g,b] steps for each color to go from $steps to $ends
+	 * @return array{0: float, 1: float, 2: float} [r,g,b] steps for each color to go from $steps to $ends
 	 * @since 25.0.0
 	 */
 	private static function stepCalc(int $steps, array $ends): array {