diff --git a/homeassistant/components/light/significant_change.py b/homeassistant/components/light/significant_change.py
index 1877c925622..773b7a6b898 100644
--- a/homeassistant/components/light/significant_change.py
+++ b/homeassistant/components/light/significant_change.py
@@ -7,7 +7,7 @@ from typing import Any
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.significant_change import check_absolute_change
 
-from . import ATTR_BRIGHTNESS, ATTR_COLOR_TEMP, ATTR_EFFECT, ATTR_HS_COLOR
+from . import ATTR_BRIGHTNESS, ATTR_COLOR_TEMP_KELVIN, ATTR_EFFECT, ATTR_HS_COLOR
 
 
 @callback
@@ -44,10 +44,10 @@ def async_check_significant_change(
         return True
 
     if check_absolute_change(
-        # Default range 153..500
-        old_attrs.get(ATTR_COLOR_TEMP),
-        new_attrs.get(ATTR_COLOR_TEMP),
-        5,
+        # Default range 2000..6500
+        old_attrs.get(ATTR_COLOR_TEMP_KELVIN),
+        new_attrs.get(ATTR_COLOR_TEMP_KELVIN),
+        50,
     ):
         return True
 
diff --git a/tests/components/light/test_significant_change.py b/tests/components/light/test_significant_change.py
index 87a60b58325..cf03f37228e 100644
--- a/tests/components/light/test_significant_change.py
+++ b/tests/components/light/test_significant_change.py
@@ -2,7 +2,7 @@
 
 from homeassistant.components.light import (
     ATTR_BRIGHTNESS,
-    ATTR_COLOR_TEMP,
+    ATTR_COLOR_TEMP_KELVIN,
     ATTR_EFFECT,
     ATTR_HS_COLOR,
 )
@@ -26,10 +26,10 @@ async def test_significant_change() -> None:
 
     # Color temp
     assert not async_check_significant_change(
-        None, "on", {ATTR_COLOR_TEMP: 60}, "on", {ATTR_COLOR_TEMP: 64}
+        None, "on", {ATTR_COLOR_TEMP_KELVIN: 2000}, "on", {ATTR_COLOR_TEMP_KELVIN: 2049}
     )
     assert async_check_significant_change(
-        None, "on", {ATTR_COLOR_TEMP: 60}, "on", {ATTR_COLOR_TEMP: 65}
+        None, "on", {ATTR_COLOR_TEMP_KELVIN: 2000}, "on", {ATTR_COLOR_TEMP_KELVIN: 2050}
     )
 
     # Effect