diff --git a/DOCUMENTATION.md b/DOCUMENTATION.md
index aa521fa..d7dfd85 100644
--- a/DOCUMENTATION.md
+++ b/DOCUMENTATION.md
@@ -3,6 +3,7 @@
 * [yahuelib](#yahuelib)
 * [yahuelib.utils](#yahuelib.utils)
   * [rgb\_to\_hsv](#yahuelib.utils.rgb_to_hsv)
+  * [kelvin\_to\_mired](#yahuelib.utils.kelvin_to_mired)
 * [yahuelib.controller](#yahuelib.controller)
   * [LightController](#yahuelib.controller.LightController)
     * [reachable](#yahuelib.controller.LightController.reachable)
@@ -14,6 +15,8 @@
     * [hue](#yahuelib.controller.LightController.hue)
     * [saturation](#yahuelib.controller.LightController.saturation)
     * [saturation](#yahuelib.controller.LightController.saturation)
+    * [color\_temperature](#yahuelib.controller.LightController.color_temperature)
+    * [color\_temperature](#yahuelib.controller.LightController.color_temperature)
     * [alert](#yahuelib.controller.LightController.alert)
     * [alert\_long](#yahuelib.controller.LightController.alert_long)
   * [GroupController](#yahuelib.controller.GroupController)
@@ -26,6 +29,8 @@
     * [hue](#yahuelib.controller.GroupController.hue)
     * [saturation](#yahuelib.controller.GroupController.saturation)
     * [saturation](#yahuelib.controller.GroupController.saturation)
+    * [color\_temperature](#yahuelib.controller.GroupController.color_temperature)
+    * [color\_temperature](#yahuelib.controller.GroupController.color_temperature)
     * [alert](#yahuelib.controller.GroupController.alert)
     * [alert\_long](#yahuelib.controller.GroupController.alert_long)
 * [yahuelib.exceptions](#yahuelib.exceptions)
@@ -50,6 +55,16 @@ def rgb_to_hsv(r: int, g: int, b: int) -> tuple
 
 Convert RGB colors `(255, 220, 100)` to HSV `(0.129, 0.608, 1.0)`
 
+<a id="yahuelib.utils.kelvin_to_mired"></a>
+
+#### kelvin\_to\_mired
+
+```python
+def kelvin_to_mired(kelvin: int)
+```
+
+Convert the color temperature from Kelvin to Mired
+
 <a id="yahuelib.controller"></a>
 
 # yahuelib.controller
@@ -171,6 +186,28 @@ def saturation(saturation: float)
 
 Set the saturation using `LightController.saturation = ...`
 
+<a id="yahuelib.controller.LightController.color_temperature"></a>
+
+#### color\_temperature
+
+```python
+@property
+def color_temperature()
+```
+
+Get the white color temperature in Mired using `LightController.color_temperature`
+
+<a id="yahuelib.controller.LightController.color_temperature"></a>
+
+#### color\_temperature
+
+```python
+@color_temperature.setter
+def color_temperature(mired: int)
+```
+
+Set the white color temperature in Mired (`154` - `500`) using `LightController.color_temperature = ...`
+
 <a id="yahuelib.controller.LightController.alert"></a>
 
 #### alert
@@ -308,6 +345,28 @@ def saturation(saturation: float)
 
 Set the saturation of all lights in this group using `GroupController.saturation = ...`
 
+<a id="yahuelib.controller.GroupController.color_temperature"></a>
+
+#### color\_temperature
+
+```python
+@property
+def color_temperature()
+```
+
+Get the last set white color temperature in Mired using `GroupController.color_temperature`
+
+<a id="yahuelib.controller.GroupController.color_temperature"></a>
+
+#### color\_temperature
+
+```python
+@color_temperature.setter
+def color_temperature(mired: int)
+```
+
+Set the white color temperature in Mired (`154` - `500`) for all lights in this group using `GroupController.color_temperature = ...`
+
 <a id="yahuelib.controller.GroupController.alert"></a>
 
 #### alert
diff --git a/README.md b/README.md
index b1fb8fa..7ba807e 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ See https://developers.meethue.com/develop/get-started-2/
     - brightness
     - hue
     - saturation
+    - white color temperature
     - alert
     - alert_long
 - 🏠 Groups (Zones and Rooms)
@@ -23,6 +24,7 @@ See https://developers.meethue.com/develop/get-started-2/
     - brightness
     - hue
     - saturation
+    - white color temperature
     - alert
     - alert_long
 
diff --git a/yahuelib/controller.py b/yahuelib/controller.py
index e3cd0fb..49349c3 100644
--- a/yahuelib/controller.py
+++ b/yahuelib/controller.py
@@ -133,6 +133,19 @@ class LightController(_BaseController):
         sat_ = min(max(int(saturation * 254), 0), 254)
         self._api_request("PUT", "/state", {"sat": sat_})
 
+    @property
+    def color_temperature(self):
+        '''Get the white color temperature in Mired using `LightController.color_temperature`'''
+        data = self._api_request()
+        return data["state"]["ct"]
+
+    @color_temperature.setter
+    def color_temperature(self, mired:int):
+        '''Set the white color temperature in Mired (`154` - `500`) using `LightController.color_temperature = ...`'''
+        assert type(mired) == int
+        ct_ = min(max(mired, 154), 500)
+        self._api_request("PUT", "/state", {"ct": ct_})
+
     def alert(self):
         '''Flash the light once.'''
         self._api_request("PUT", "/state", {"alert": "select"})
@@ -213,6 +226,19 @@ class GroupController(_BaseController):
         sat_ = min(max(int(saturation * 254), 0), 254)
         self._api_request("PUT", "/action", {"sat": sat_})
 
+    @property
+    def color_temperature(self):
+        '''Get the last set white color temperature in Mired using `GroupController.color_temperature`'''
+        data = self._api_request()
+        return data["action"]["ct"]
+
+    @color_temperature.setter
+    def color_temperature(self, mired:int):
+        '''Set the white color temperature in Mired (`154` - `500`) for all lights in this group using `GroupController.color_temperature = ...`'''
+        assert type(mired) == int
+        ct_ = min(max(mired, 154), 500)
+        self._api_request("PUT", "/action", {"ct": ct_})
+
     def alert(self):
         '''Flash all lights in the group once.'''
         self._api_request("PUT", "/action", {"alert": "select"})
diff --git a/yahuelib/utils.py b/yahuelib/utils.py
index 8d300db..e290714 100644
--- a/yahuelib/utils.py
+++ b/yahuelib/utils.py
@@ -13,3 +13,8 @@ def rgb_to_hsv(r:int, g:int, b:int) -> tuple:
     g_ = g / 255.0
     b_ = b / 255.0
     return _rgb_to_hsv(r_, g_, b_)
+
+def kelvin_to_mired(kelvin:int):
+    '''Convert the color temperature from Kelvin to Mired'''
+    assert type(kelvin) == int
+    return round(1000000.0/kelvin)