diff --git a/homeassistant/components/light/__init__.py b/homeassistant/components/light/__init__.py
index eea6c821fc0..39d3203795e 100644
--- a/homeassistant/components/light/__init__.py
+++ b/homeassistant/components/light/__init__.py
@@ -457,12 +457,14 @@ class Light(ToggleEntity):
     def min_mireds(self):
         """Return the coldest color_temp that this light supports."""
         # Default to the Philips Hue value that HA has always assumed
-        return 154
+        # https://developers.meethue.com/documentation/core-concepts
+        return 153
 
     @property
     def max_mireds(self):
         """Return the warmest color_temp that this light supports."""
         # Default to the Philips Hue value that HA has always assumed
+        # https://developers.meethue.com/documentation/core-concepts
         return 500
 
     @property
diff --git a/tests/components/google_assistant/test_smart_home.py b/tests/components/google_assistant/test_smart_home.py
index dd9373c782a..e284b026ad8 100644
--- a/tests/components/google_assistant/test_smart_home.py
+++ b/tests/components/google_assistant/test_smart_home.py
@@ -74,7 +74,7 @@ async def test_sync_message(hass):
                 'willReportState': False,
                 'attributes': {
                     'colorModel': 'rgb',
-                    'temperatureMinK': 6493,
+                    'temperatureMinK': 6535,
                     'temperatureMaxK': 2000,
                 },
                 'roomHint': 'Living Room'
diff --git a/tests/components/light/test_demo.py b/tests/components/light/test_demo.py
index ff984aff221..963cda6abc4 100644
--- a/tests/components/light/test_demo.py
+++ b/tests/components/light/test_demo.py
@@ -53,7 +53,7 @@ class TestDemoLight(unittest.TestCase):
         self.hass.block_till_done()
         state = self.hass.states.get(ENTITY_LIGHT)
         self.assertEqual(400, state.attributes.get(light.ATTR_COLOR_TEMP))
-        self.assertEqual(154, state.attributes.get(light.ATTR_MIN_MIREDS))
+        self.assertEqual(153, state.attributes.get(light.ATTR_MIN_MIREDS))
         self.assertEqual(500, state.attributes.get(light.ATTR_MAX_MIREDS))
         self.assertEqual('none', state.attributes.get(light.ATTR_EFFECT))
         light.turn_on(self.hass, ENTITY_LIGHT, kelvin=3000, brightness_pct=50)