diff --git a/homeassistant/components/tplink/light.py b/homeassistant/components/tplink/light.py
index 70a078928d9..87d30e4f76a 100644
--- a/homeassistant/components/tplink/light.py
+++ b/homeassistant/components/tplink/light.py
@@ -17,6 +17,7 @@ from homeassistant.components.light import (
     ColorMode,
     LightEntity,
     LightEntityFeature,
+    filter_supported_color_modes,
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant, callback
@@ -181,7 +182,7 @@ class TPLinkSmartBulb(CoordinatedTPLinkEntity, LightEntity):
             self._attr_unique_id = legacy_device_id(device)
         else:
             self._attr_unique_id = device.mac.replace(":", "").upper()
-        modes: set[ColorMode] = set()
+        modes: set[ColorMode] = {ColorMode.ONOFF}
         if device.is_variable_color_temp:
             modes.add(ColorMode.COLOR_TEMP)
             temp_range = device.valid_temperature_range
@@ -191,9 +192,7 @@ class TPLinkSmartBulb(CoordinatedTPLinkEntity, LightEntity):
             modes.add(ColorMode.HS)
         if device.is_dimmable:
             modes.add(ColorMode.BRIGHTNESS)
-        if not modes:
-            modes.add(ColorMode.ONOFF)
-        self._attr_supported_color_modes = modes
+        self._attr_supported_color_modes = filter_supported_color_modes(modes)
         self._async_update_attrs()
 
     @callback
diff --git a/tests/components/tplink/test_light.py b/tests/components/tplink/test_light.py
index c541551a250..bd8a380daa1 100644
--- a/tests/components/tplink/test_light.py
+++ b/tests/components/tplink/test_light.py
@@ -86,7 +86,7 @@ async def test_color_light(
     attributes = state.attributes
     assert attributes[ATTR_BRIGHTNESS] == 128
     assert attributes[ATTR_COLOR_MODE] == "hs"
-    assert attributes[ATTR_SUPPORTED_COLOR_MODES] == ["brightness", "color_temp", "hs"]
+    assert attributes[ATTR_SUPPORTED_COLOR_MODES] == ["color_temp", "hs"]
     assert attributes[ATTR_MIN_MIREDS] == 111
     assert attributes[ATTR_MAX_MIREDS] == 250
     assert attributes[ATTR_HS_COLOR] == (10, 30)
@@ -163,7 +163,7 @@ async def test_color_light_no_temp(hass: HomeAssistant) -> None:
     attributes = state.attributes
     assert attributes[ATTR_BRIGHTNESS] == 128
     assert attributes[ATTR_COLOR_MODE] == "hs"
-    assert attributes[ATTR_SUPPORTED_COLOR_MODES] == ["brightness", "hs"]
+    assert attributes[ATTR_SUPPORTED_COLOR_MODES] == ["hs"]
     assert attributes[ATTR_HS_COLOR] == (10, 30)
     assert attributes[ATTR_RGB_COLOR] == (255, 191, 178)
     assert attributes[ATTR_XY_COLOR] == (0.42, 0.336)
@@ -225,13 +225,9 @@ async def test_color_temp_light(
     assert attributes[ATTR_BRIGHTNESS] == 128
     assert attributes[ATTR_COLOR_MODE] == "color_temp"
     if bulb.is_color:
-        assert attributes[ATTR_SUPPORTED_COLOR_MODES] == [
-            "brightness",
-            "color_temp",
-            "hs",
-        ]
+        assert attributes[ATTR_SUPPORTED_COLOR_MODES] == ["color_temp", "hs"]
     else:
-        assert attributes[ATTR_SUPPORTED_COLOR_MODES] == ["brightness", "color_temp"]
+        assert attributes[ATTR_SUPPORTED_COLOR_MODES] == ["color_temp"]
     assert attributes[ATTR_MIN_MIREDS] == 111
     assert attributes[ATTR_MAX_MIREDS] == 250
     assert attributes[ATTR_COLOR_TEMP_KELVIN] == 4000