diff --git a/src/Concerns/Palette.php b/src/Concerns/Palette.php
index 5264f5a..a296b86 100644
--- a/src/Concerns/Palette.php
+++ b/src/Concerns/Palette.php
@@ -44,7 +44,7 @@ public function palette($color = null)
             ]);
         }
 
-        return ! empty($color) ? (
+        return ! empty($color) && is_string($color) ? (
             $colors[$color] ?? null
         ) : $colors;
     }