CS

Author: AydinHassan

src/Util/ColourUtil.php

@@ -322,7 +322,7 @@ public static function validateColour(Terminal $terminal, string $colour, string
             return static::validateColourName($fallback);
         }
 
-        return static::map256To8($colour);
+        return static::map256To8((int) $colour);
     }
 
     private static function validateColourName(string $colourName) : string

test/Util/ColourUtilTest.php

@@ -100,9 +100,9 @@ public function testValidateColourThrowsExceptionIfInvalid256ColourCodeUsed(int
     public function invalidColourCodeProvider() : array
     {
         return [
-            [-1],  
-            [256],  
-            [1000],  
+            [-1],
+            [256],
+            [1000],
         ];
     }