diff --git a/src/Colors/Rgb/Color.php b/src/Colors/Rgb/Color.php
index 3ce1313b..c05aaf5f 100644
--- a/src/Colors/Rgb/Color.php
+++ b/src/Colors/Rgb/Color.php
@@ -27,22 +27,22 @@ class Color implements ColorInterface
         ];
     }
 
-    public function red(): Red
+    public function red(): ColorChannelInterface
     {
         return $this->channel(Red::class);
     }
 
-    public function green(): Green
+    public function green(): ColorChannelInterface
     {
         return $this->channel(Green::class);
     }
 
-    public function blue(): Blue
+    public function blue(): ColorChannelInterface
     {
         return $this->channel(Blue::class);
     }
 
-    public function alpha(): Alpha
+    public function alpha(): ColorChannelInterface
     {
         return $this->channel(Alpha::class);
     }