diff --git a/homeassistant/components/tplink/light.py b/homeassistant/components/tplink/light.py
index ecbcb84d772..e02d7cdeca0 100644
--- a/homeassistant/components/tplink/light.py
+++ b/homeassistant/components/tplink/light.py
@@ -14,12 +14,9 @@ from homeassistant.components.light import (
     ATTR_EFFECT,
     ATTR_HS_COLOR,
     ATTR_TRANSITION,
-    COLOR_MODE_BRIGHTNESS,
-    COLOR_MODE_COLOR_TEMP,
-    COLOR_MODE_HS,
-    COLOR_MODE_ONOFF,
     SUPPORT_EFFECT,
     SUPPORT_TRANSITION,
+    ColorMode,
     LightEntity,
 )
 from homeassistant.config_entries import ConfigEntry
@@ -285,32 +282,32 @@ class TPLinkSmartBulb(CoordinatedTPLinkEntity, LightEntity):
         return SUPPORT_TRANSITION
 
     @property
-    def supported_color_modes(self) -> set[str] | None:
+    def supported_color_modes(self) -> set[ColorMode | str] | None:
         """Return list of available color modes."""
-        modes = set()
+        modes: set[ColorMode | str] = set()
         if self.device.is_variable_color_temp:
-            modes.add(COLOR_MODE_COLOR_TEMP)
+            modes.add(ColorMode.COLOR_TEMP)
         if self.device.is_color:
-            modes.add(COLOR_MODE_HS)
+            modes.add(ColorMode.HS)
         if self.device.is_dimmable:
-            modes.add(COLOR_MODE_BRIGHTNESS)
+            modes.add(ColorMode.BRIGHTNESS)
 
         if not modes:
-            modes.add(COLOR_MODE_ONOFF)
+            modes.add(ColorMode.ONOFF)
 
         return modes
 
     @property
-    def color_mode(self) -> str | None:
+    def color_mode(self) -> ColorMode:
         """Return the active color mode."""
         if self.device.is_color:
             if self.device.is_variable_color_temp and self.device.color_temp:
-                return COLOR_MODE_COLOR_TEMP
-            return COLOR_MODE_HS
+                return ColorMode.COLOR_TEMP
+            return ColorMode.HS
         if self.device.is_variable_color_temp:
-            return COLOR_MODE_COLOR_TEMP
+            return ColorMode.COLOR_TEMP
 
-        return COLOR_MODE_BRIGHTNESS
+        return ColorMode.BRIGHTNESS
 
 
 class TPLinkSmartLightStrip(TPLinkSmartBulb):