diff --git a/homeassistant/components/light/__init__.py b/homeassistant/components/light/__init__.py
index 835c4fd2fa9..0b78ed3672e 100644
--- a/homeassistant/components/light/__init__.py
+++ b/homeassistant/components/light/__init__.py
@@ -317,11 +317,23 @@ async def async_setup(hass, config):
             hs_color = params.pop(ATTR_HS_COLOR)
             if COLOR_MODE_RGB in supported_color_modes:
                 params[ATTR_RGB_COLOR] = color_util.color_hs_to_RGB(*hs_color)
+            elif COLOR_MODE_RGBW in supported_color_modes:
+                params[ATTR_RGBW_COLOR] = (*color_util.color_hs_to_RGB(*hs_color), 0)
+            elif COLOR_MODE_RGBWW in supported_color_modes:
+                params[ATTR_RGBWW_COLOR] = (
+                    *color_util.color_hs_to_RGB(*hs_color),
+                    0,
+                    0,
+                )
             elif COLOR_MODE_XY in supported_color_modes:
                 params[ATTR_XY_COLOR] = color_util.color_hs_to_xy(*hs_color)
         elif ATTR_RGB_COLOR in params and COLOR_MODE_RGB not in supported_color_modes:
             rgb_color = params.pop(ATTR_RGB_COLOR)
-            if COLOR_MODE_HS in supported_color_modes:
+            if COLOR_MODE_RGBW in supported_color_modes:
+                params[ATTR_RGBW_COLOR] = (*rgb_color, 0)
+            if COLOR_MODE_RGBWW in supported_color_modes:
+                params[ATTR_RGBWW_COLOR] = (*rgb_color, 0, 0)
+            elif COLOR_MODE_HS in supported_color_modes:
                 params[ATTR_HS_COLOR] = color_util.color_RGB_to_hs(*rgb_color)
             elif COLOR_MODE_XY in supported_color_modes:
                 params[ATTR_XY_COLOR] = color_util.color_RGB_to_xy(*rgb_color)
@@ -331,6 +343,14 @@ async def async_setup(hass, config):
                 params[ATTR_HS_COLOR] = color_util.color_xy_to_hs(*xy_color)
             elif COLOR_MODE_RGB in supported_color_modes:
                 params[ATTR_RGB_COLOR] = color_util.color_xy_to_RGB(*xy_color)
+            elif COLOR_MODE_RGBW in supported_color_modes:
+                params[ATTR_RGBW_COLOR] = (*color_util.color_xy_to_RGB(*xy_color), 0)
+            elif COLOR_MODE_RGBWW in supported_color_modes:
+                params[ATTR_RGBWW_COLOR] = (
+                    *color_util.color_xy_to_RGB(*xy_color),
+                    0,
+                    0,
+                )
 
         # Remove deprecated white value if the light supports color mode
         if supported_color_modes:
diff --git a/tests/components/light/test_init.py b/tests/components/light/test_init.py
index 3adb146a225..f0cca89892c 100644
--- a/tests/components/light/test_init.py
+++ b/tests/components/light/test_init.py
@@ -1209,6 +1209,8 @@ async def test_light_service_call_color_conversion(hass):
     platform.ENTITIES.append(platform.MockLight("Test_xy", STATE_ON))
     platform.ENTITIES.append(platform.MockLight("Test_all", STATE_ON))
     platform.ENTITIES.append(platform.MockLight("Test_legacy", STATE_ON))
+    platform.ENTITIES.append(platform.MockLight("Test_rgbw", STATE_ON))
+    platform.ENTITIES.append(platform.MockLight("Test_rgbww", STATE_ON))
 
     entity0 = platform.ENTITIES[0]
     entity0.supported_color_modes = {light.COLOR_MODE_HS}
@@ -1229,6 +1231,12 @@ async def test_light_service_call_color_conversion(hass):
     entity4 = platform.ENTITIES[4]
     entity4.supported_features = light.SUPPORT_COLOR
 
+    entity5 = platform.ENTITIES[5]
+    entity5.supported_color_modes = {light.COLOR_MODE_RGBW}
+
+    entity6 = platform.ENTITIES[6]
+    entity6.supported_color_modes = {light.COLOR_MODE_RGBWW}
+
     assert await async_setup_component(hass, "light", {"light": {"platform": "test"}})
     await hass.async_block_till_done()
 
@@ -1251,6 +1259,12 @@ async def test_light_service_call_color_conversion(hass):
     state = hass.states.get(entity4.entity_id)
     assert state.attributes["supported_color_modes"] == [light.COLOR_MODE_HS]
 
+    state = hass.states.get(entity5.entity_id)
+    assert state.attributes["supported_color_modes"] == [light.COLOR_MODE_RGBW]
+
+    state = hass.states.get(entity6.entity_id)
+    assert state.attributes["supported_color_modes"] == [light.COLOR_MODE_RGBWW]
+
     await hass.services.async_call(
         "light",
         "turn_on",
@@ -1261,6 +1275,8 @@ async def test_light_service_call_color_conversion(hass):
                 entity2.entity_id,
                 entity3.entity_id,
                 entity4.entity_id,
+                entity5.entity_id,
+                entity6.entity_id,
             ],
             "brightness_pct": 100,
             "hs_color": (240, 100),
@@ -1277,6 +1293,10 @@ async def test_light_service_call_color_conversion(hass):
     assert data == {"brightness": 255, "hs_color": (240.0, 100.0)}
     _, data = entity4.last_call("turn_on")
     assert data == {"brightness": 255, "hs_color": (240.0, 100.0)}
+    _, data = entity5.last_call("turn_on")
+    assert data == {"brightness": 255, "rgbw_color": (0, 0, 255, 0)}
+    _, data = entity6.last_call("turn_on")
+    assert data == {"brightness": 255, "rgbww_color": (0, 0, 255, 0, 0)}
 
     await hass.services.async_call(
         "light",
@@ -1288,6 +1308,8 @@ async def test_light_service_call_color_conversion(hass):
                 entity2.entity_id,
                 entity3.entity_id,
                 entity4.entity_id,
+                entity5.entity_id,
+                entity6.entity_id,
             ],
             "brightness_pct": 50,
             "rgb_color": (128, 0, 0),
@@ -1304,6 +1326,10 @@ async def test_light_service_call_color_conversion(hass):
     assert data == {"brightness": 128, "rgb_color": (128, 0, 0)}
     _, data = entity4.last_call("turn_on")
     assert data == {"brightness": 128, "hs_color": (0.0, 100.0)}
+    _, data = entity5.last_call("turn_on")
+    assert data == {"brightness": 128, "rgbw_color": (128, 0, 0, 0)}
+    _, data = entity6.last_call("turn_on")
+    assert data == {"brightness": 128, "rgbww_color": (128, 0, 0, 0, 0)}
 
     await hass.services.async_call(
         "light",
@@ -1315,6 +1341,8 @@ async def test_light_service_call_color_conversion(hass):
                 entity2.entity_id,
                 entity3.entity_id,
                 entity4.entity_id,
+                entity5.entity_id,
+                entity6.entity_id,
             ],
             "brightness_pct": 50,
             "xy_color": (0.1, 0.8),
@@ -1331,6 +1359,10 @@ async def test_light_service_call_color_conversion(hass):
     assert data == {"brightness": 128, "xy_color": (0.1, 0.8)}
     _, data = entity4.last_call("turn_on")
     assert data == {"brightness": 128, "hs_color": (125.176, 100.0)}
+    _, data = entity5.last_call("turn_on")
+    assert data == {"brightness": 128, "rgbw_color": (0, 255, 22, 0)}
+    _, data = entity6.last_call("turn_on")
+    assert data == {"brightness": 128, "rgbww_color": (0, 255, 22, 0, 0)}
 
 
 async def test_light_state_color_conversion(hass):