diff --git a/homeassistant/components/twinkly/light.py b/homeassistant/components/twinkly/light.py
index de55aa5f217..31e95d70fc0 100644
--- a/homeassistant/components/twinkly/light.py
+++ b/homeassistant/components/twinkly/light.py
@@ -99,9 +99,9 @@ class TwinklyLight(TwinklyEntity, LightEntity):
         ):
             await self.client.interview()
             if LightEntityFeature.EFFECT & self.supported_features:
-                # Static color only supports rgb
                 await self.client.set_static_colour(
                     (
+                        kwargs[ATTR_RGBW_COLOR][3],
                         kwargs[ATTR_RGBW_COLOR][0],
                         kwargs[ATTR_RGBW_COLOR][1],
                         kwargs[ATTR_RGBW_COLOR][2],
diff --git a/tests/components/twinkly/test_light.py b/tests/components/twinkly/test_light.py
index acf30764bab..f8289cb95e3 100644
--- a/tests/components/twinkly/test_light.py
+++ b/tests/components/twinkly/test_light.py
@@ -140,7 +140,7 @@ async def test_turn_on_with_color_rgbw(
     )
 
     mock_twinkly_client.interview.assert_called_once_with()
-    mock_twinkly_client.set_static_colour.assert_called_once_with((128, 64, 32))
+    mock_twinkly_client.set_static_colour.assert_called_once_with((0, 128, 64, 32))
     mock_twinkly_client.set_mode.assert_called_once_with("color")
     assert mock_twinkly_client.default_mode == "color"