diff --git a/src/Transformer/ColorModelTransformInterface.php b/src/Transformer/ColorModelTransformInterface.php
index 71fd556..1d50e3b 100644
--- a/src/Transformer/ColorModelTransformInterface.php
+++ b/src/Transformer/ColorModelTransformInterface.php
@@ -5,6 +5,7 @@ namespace TorstenHettstedt\Colors\Transformer;
 
 
 use TorstenHettstedt\Colors\ColorModels\CyanMagentaYellowKey;
+use TorstenHettstedt\Colors\ColorModels\HueSaturationValue;
 use TorstenHettstedt\Colors\ColorModels\RedGreenBlue;
 
 interface ColorModelTransformInterface
@@ -12,4 +13,6 @@ interface ColorModelTransformInterface
     public function toRedGreenBlue(): RedGreenBlue;
 
     public function toCyanMagentaYellowKey(): CyanMagentaYellowKey;
+
+    public function toHueSaturationValue(): HueSaturationValue;
 }
\ No newline at end of file
diff --git a/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php b/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php
index 831888b..2367306 100644
--- a/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php
+++ b/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php
@@ -112,6 +112,106 @@ class CyanMagentaYellowKeyTransformerTest extends Unit
         ];
     }
 
+    /**
+     * @return float[][][]
+     */
+    public function validHsvValuesProvider(): array
+    {
+        return [
+            'weiß' => [
+                [
+                    'cyan'    => 0.0,
+                    'magenta' => 0.0,
+                    'yellow'  => 0.0,
+                    'key'     => 0.0,
+                ],
+                [
+                    'hue'        => 0.0,
+                    'saturation' => 0.0,
+                    'value'      => 1.0,
+                ]
+            ],
+            'schwarz' => [
+                [
+                    'cyan'    => 0.0,
+                    'magenta' => 0.0,
+                    'yellow'  => 0.0,
+                    'key'     => 1.0,
+                ],
+                [
+                    'hue'        => 0.0,
+                    'saturation' => 0.0,
+                    'value'      => 0.0,
+                ]
+            ],
+            'cyan' => [
+                [
+                    'cyan'    => 1.0,
+                    'magenta' => 0.0,
+                    'yellow'  => 0.0,
+                    'key'     => 0.0,
+                ],
+                [
+                    'hue'        => 0.5,
+                    'saturation' => 1.0,
+                    'value'      => 1.0,
+                ]
+            ],
+            'magenta' => [
+                [
+                    'cyan'    => 0.0,
+                    'magenta' => 1.0,
+                    'yellow'  => 0.0,
+                    'key'     => 0.0,
+                ],
+                [
+                    'hue'        => 0.833,
+                    'saturation' => 1.0,
+                    'value'      => 1.0,
+                ]
+            ],
+            'gelb' => [
+                [
+                    'cyan'    => 0.0,
+                    'magenta' => 0.0,
+                    'yellow'  => 1.0,
+                    'key'     => 0.0,
+                ],
+                [
+                    'hue'        => 0.167,
+                    'saturation' => 1.0,
+                    'value'      => 1.0,
+                ]
+            ],
+            'gold' => [
+                [
+                    'cyan'    => 0.0,
+                    'magenta' => 0.13,
+                    'yellow'  => 0.76,
+                    'key'     => 0.13,
+                ],
+                [
+                    'hue'        => 0.139,
+                    'saturation' => 0.76,
+                    'value'      => 0.87,
+                ]
+            ],
+            'violet' => [
+                [
+                    'cyan'    => 0.19,
+                    'magenta' => 0.32,
+                    'yellow'  => 0.0,
+                    'key'     => 0.29,
+                ],
+                [
+                    'hue'        => 0.733,
+                    'saturation' => 0.32,
+                    'value'      => 0.71,
+                ]
+            ],
+        ];
+    }
+
     /**
      * @param array $cmyk
      * @param array $rgb
@@ -157,4 +257,26 @@ class CyanMagentaYellowKeyTransformerTest extends Unit
         $this->assertEquals($cmyk['yellow'], $color->getYellow());
         $this->assertEquals($cmyk['key'], $color->getKey());
     }
+
+    /**
+     * @param array $cmyk
+     * @param array $hsv
+     *
+     * @throws Exception
+     *
+     * @dataProvider validHsvValuesProvider
+     *
+     */
+    public function testToHueSaturationValue(array $cmyk, array $hsv)
+    {
+        $this->color = $this->make(CyanMagentaYellowKey::class, $cmyk);
+
+        $transformer = new CyanMagentaYellowKeyTransformer($this->color);
+
+        $color = $transformer->toHueSaturationValue();
+
+        $this->assertEquals($hsv['hue'], $color->getHue());
+        $this->assertEquals($hsv['saturation'], $color->getSaturation());
+        $this->assertEquals($hsv['value'], $color->getValue());
+    }
 }