diff --git a/tests/unit/Transformer/ValidColorValuesProvider.php b/tests/unit/Transformer/ValidColorValuesProvider.php
index 8f7fcfc..de9bbb5 100644
--- a/tests/unit/Transformer/ValidColorValuesProvider.php
+++ b/tests/unit/Transformer/ValidColorValuesProvider.php
@@ -79,7 +79,7 @@ class ValidColorValuesProvider
                 'blue'  => 1.0,
             ],
             self::HSV  => [
-                'hue'        => 0.833,
+                'hue'        => 0.5 + 1.0/3.0,
                 'saturation' => 1.0,
                 'value'      => 1.0,
             ],
@@ -97,7 +97,7 @@ class ValidColorValuesProvider
                 'blue'  => 0.0,
             ],
             self::HSV  => [
-                'hue'        => 0.167,
+                'hue'        => 0.5 - 1.0/3.0,
                 'saturation' => 1.0,
                 'value'      => 1.0,
             ],