diff --git a/custom_components/localtuya/light.py b/custom_components/localtuya/light.py
index e99414e..7c74e49 100644
--- a/custom_components/localtuya/light.py
+++ b/custom_components/localtuya/light.py
@@ -33,7 +33,6 @@ from .const import (
 
 _LOGGER = logging.getLogger(__name__)
 
-MIRED_TO_KELVIN_CONST = 1000000
 DEFAULT_MIN_KELVIN = 2700  # MIRED 370
 DEFAULT_MAX_KELVIN = 6500  # MIRED 153
 
@@ -154,13 +153,11 @@ class LocaltuyaLight(LocalTuyaEntity, LightEntity):
             CONF_BRIGHTNESS_UPPER, DEFAULT_UPPER_BRIGHTNESS
         )
         self._upper_color_temp = self._upper_brightness
-        self._max_mired = round(
-            MIRED_TO_KELVIN_CONST
-            / self._config.get(CONF_COLOR_TEMP_MIN_KELVIN, DEFAULT_MIN_KELVIN)
+        self._max_mired = color_util.color_temperature_kelvin_to_mired(
+            self._config.get(CONF_COLOR_TEMP_MIN_KELVIN, DEFAULT_MIN_KELVIN)
         )
-        self._min_mired = round(
-            MIRED_TO_KELVIN_CONST
-            / self._config.get(CONF_COLOR_TEMP_MAX_KELVIN, DEFAULT_MAX_KELVIN)
+        self._min_mired = color_util.color_temperature_kelvin_to_mired(
+            self._config.get(CONF_COLOR_TEMP_MAX_KELVIN, DEFAULT_MAX_KELVIN)
         )
         self._color_temp_reverse = self._config.get(
             CONF_COLOR_TEMP_REVERSE, DEFAULT_COLOR_TEMP_REVERSE
@@ -380,16 +377,17 @@ class LocaltuyaLight(LocalTuyaEntity, LightEntity):
         if ATTR_COLOR_TEMP in kwargs and (features & SUPPORT_COLOR_TEMP):
             if brightness is None:
                 brightness = self._brightness
-            color_temp_value = (
-                (self._max_mired - self._min_mired)
-                - (int(kwargs[ATTR_COLOR_TEMP]) - self._min_mired)
-                if self._color_temp_reverse
-                else (int(kwargs[ATTR_COLOR_TEMP]) - self._min_mired)
-            )
+            mired = int(kwargs[ATTR_COLOR_TEMP])
+            if self._color_temp_reverse:
+                mired = self._max_mired - (mired - self._min_mired)
+            if mired < self._min_mired:
+                mired = self._min_mired
+            elif mired > self._max_mired:
+                mired = self._max_mired
             color_temp = int(
                 self._upper_color_temp
                 - (self._upper_color_temp / (self._max_mired - self._min_mired))
-                * color_temp_value
+                * (mired - self._min_mired)
             )
             states[self._config.get(CONF_COLOR_MODE)] = MODE_WHITE
             states[self._config.get(CONF_BRIGHTNESS)] = brightness