diff --git a/custom_components/adaptive_lighting/switch.py b/custom_components/adaptive_lighting/switch.py
index 85fed2af..3f4bec69 100755
--- a/custom_components/adaptive_lighting/switch.py
+++ b/custom_components/adaptive_lighting/switch.py
@@ -40,7 +40,7 @@ from homeassistant.const import (
     ATTR_SERVICE_DATA,
     CONF_NAME,
     EVENT_CALL_SERVICE,
-    EVENT_HOMEASSISTANT_START,
+    EVENT_HOMEASSISTANT_STARTED,
     EVENT_STATE_CHANGED,
     SERVICE_TURN_OFF,
     SERVICE_TURN_ON,
@@ -117,7 +117,7 @@ SCAN_INTERVAL = timedelta(seconds=10)
 
 # Consider it a significant change when attribute changes more than
 BRIGHTNESS_CHANGE = 25  # ≈10% of total range
-COLOR_TEMP_CHANGE = 250  # ≈5% of total range
+COLOR_TEMP_CHANGE = 20  # ≈5% of total range
 RGB_CHANGE = 30  # ≈12% of total range per component
 
 
@@ -227,14 +227,6 @@ def _supported_features(hass: HomeAssistant, light: str):
     return {key for key, value in _SUPPORT_OPTS.items() if supported_features & value}
 
 
-def abs_rel_diff(val_a, val_b) -> float:
-    """Absolute relative difference in %."""
-    if val_b == 0:
-        # To avoid ZeroDivisionError
-        val_b = 1e-6
-    return abs((val_a - val_b) / val_b) * 100
-
-
 class AdaptiveSwitch(SwitchEntity, RestoreEntity):
     """Representation of a Adaptive Lighting switch."""
 
@@ -294,7 +286,7 @@ class AdaptiveSwitch(SwitchEntity, RestoreEntity):
         # Locks that prevent light adjusting when waiting for a light to 'turn_off'
         self._locks: Dict[str, asyncio.Lock] = {}
         # To identify that this integration made a change
-        self.__context = Context()  # self._context will be overwritten
+        self.__context = Context()  # self._context would be overwritten
         self.turn_on_off_listener.contexts.add(self.__context)
 
         # Set in self._update_attrs_and_maybe_adapt_lights
@@ -336,7 +328,7 @@ class AdaptiveSwitch(SwitchEntity, RestoreEntity):
             await self._setup_listeners()
         else:
             self.hass.bus.async_listen_once(
-                EVENT_HOMEASSISTANT_START, self._setup_listeners
+                EVENT_HOMEASSISTANT_STARTED, self._setup_listeners
             )
         last_state = await self.async_get_last_state()
         is_new_entry = last_state is None  # newly added to HA