diff --git a/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php b/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php
index 70b55ab..0923cc6 100644
--- a/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php
+++ b/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php
@@ -83,6 +83,32 @@ class CyanMagentaYellowKeyTransformerTest extends Unit
                     'blue'  => 0.0,
                 ]
             ],
+            'gold' => [
+                [
+                    'cyan'    => 0.0,
+                    'magenta' => 0.13,
+                    'yellow'  => 0.76,
+                    'key'     => 0.13,
+                ],
+                [
+                    'red'   => 0.867,
+                    'green' => 0.757,
+                    'blue'  => 0.211,
+                ]
+            ],
+            'violet' => [
+                [
+                    'cyan'    => 0.19,
+                    'magenta' => 0.32,
+                    'yellow'  => 0.0,
+                    'key'     => 0.29,
+                ],
+                [
+                    'red'   => 0.572,
+                    'green' => 0.482,
+                    'blue'  => 0.71,
+                ]
+            ],
         ];
     }