diff --git a/homeassistant/components/fritzbox/light.py b/homeassistant/components/fritzbox/light.py
index f6a1ba4cc94..94d7d320704 100644
--- a/homeassistant/components/fritzbox/light.py
+++ b/homeassistant/components/fritzbox/light.py
@@ -4,8 +4,6 @@ from __future__ import annotations
 
 from typing import Any, cast
 
-from requests.exceptions import HTTPError
-
 from homeassistant.components.light import (
     ATTR_BRIGHTNESS,
     ATTR_COLOR_TEMP_KELVIN,
@@ -124,27 +122,22 @@ class FritzboxLight(FritzBoxDeviceEntity, LightEntity):
             level = kwargs[ATTR_BRIGHTNESS]
             await self.hass.async_add_executor_job(self.data.set_level, level, True)
         if kwargs.get(ATTR_HS_COLOR) is not None:
-            # Try setunmappedcolor first. This allows free color selection,
-            # but we don't know if its supported by all devices.
-            try:
-                # HA gives 0..360 for hue, fritz light only supports 0..359
-                unmapped_hue = int(kwargs[ATTR_HS_COLOR][0] % 360)
-                unmapped_saturation = round(
-                    cast(float, kwargs[ATTR_HS_COLOR][1]) * 255.0 / 100.0
-                )
+            # HA gives 0..360 for hue, fritz light only supports 0..359
+            unmapped_hue = int(kwargs[ATTR_HS_COLOR][0] % 360)
+            unmapped_saturation = round(
+                cast(float, kwargs[ATTR_HS_COLOR][1]) * 255.0 / 100.0
+            )
+            if self.data.fullcolorsupport:
+                LOGGER.debug("device has fullcolorsupport, using 'setunmappedcolor'")
                 await self.hass.async_add_executor_job(
                     self.data.set_unmapped_color,
                     (unmapped_hue, unmapped_saturation),
                     0,
                     True,
                 )
-            # This will raise 400 BAD REQUEST if the setunmappedcolor is not available
-            except HTTPError as err:
-                if err.response.status_code != 400:
-                    raise
+            else:
                 LOGGER.debug(
-                    "fritzbox does not support method 'setunmappedcolor', fallback to"
-                    " 'setcolor'"
+                    "device has no fullcolorsupport, using supported colors with 'setcolor'"
                 )
                 # find supported hs values closest to what user selected
                 hue = min(
diff --git a/tests/components/fritzbox/test_light.py b/tests/components/fritzbox/test_light.py
index 47209075a86..fe8bb32066e 100644
--- a/tests/components/fritzbox/test_light.py
+++ b/tests/components/fritzbox/test_light.py
@@ -3,7 +3,6 @@
 from datetime import timedelta
 from unittest.mock import Mock, call
 
-import pytest
 from requests.exceptions import HTTPError
 
 from homeassistant.components.fritzbox.const import (
@@ -166,6 +165,7 @@ async def test_turn_on_color(hass: HomeAssistant, fritz: Mock) -> None:
     device.get_colors.return_value = {
         "Red": [("100", "70", "10"), ("100", "50", "10"), ("100", "30", "10")]
     }
+    device.fullcolorsupport = True
     assert await setup_config_entry(
         hass, MOCK_CONFIG[FB_DOMAIN][CONF_DEVICES][0], ENTITY_ID, device, fritz
     )
@@ -178,13 +178,14 @@ async def test_turn_on_color(hass: HomeAssistant, fritz: Mock) -> None:
     assert device.set_state_on.call_count == 1
     assert device.set_level.call_count == 1
     assert device.set_unmapped_color.call_count == 1
+    assert device.set_color.call_count == 0
     assert device.set_level.call_args_list == [call(100, True)]
     assert device.set_unmapped_color.call_args_list == [
         call((100, round(70 * 255.0 / 100.0)), 0, True)
     ]
 
 
-async def test_turn_on_color_unsupported_api_method(
+async def test_turn_on_color_no_fullcolorsupport(
     hass: HomeAssistant, fritz: Mock
 ) -> None:
     """Test turn device on in mapped color mode if unmapped is not supported."""
@@ -193,16 +194,11 @@ async def test_turn_on_color_unsupported_api_method(
     device.get_colors.return_value = {
         "Red": [("100", "70", "10"), ("100", "50", "10"), ("100", "30", "10")]
     }
+    device.fullcolorsupport = False
     assert await setup_config_entry(
         hass, MOCK_CONFIG[FB_DOMAIN][CONF_DEVICES][0], ENTITY_ID, device, fritz
     )
 
-    # test fallback to `setcolor`
-    error = HTTPError("Bad Request")
-    error.response = Mock()
-    error.response.status_code = 400
-    device.set_unmapped_color.side_effect = error
-
     await hass.services.async_call(
         LIGHT_DOMAIN,
         SERVICE_TURN_ON,
@@ -212,19 +208,10 @@ async def test_turn_on_color_unsupported_api_method(
     assert device.set_state_on.call_count == 1
     assert device.set_level.call_count == 1
     assert device.set_color.call_count == 1
+    assert device.set_unmapped_color.call_count == 0
     assert device.set_level.call_args_list == [call(100, True)]
     assert device.set_color.call_args_list == [call((100, 70), 0, True)]
 
-    # test for unknown error
-    error.response.status_code = 500
-    with pytest.raises(HTTPError, match="Bad Request"):
-        await hass.services.async_call(
-            LIGHT_DOMAIN,
-            SERVICE_TURN_ON,
-            {ATTR_ENTITY_ID: ENTITY_ID, ATTR_BRIGHTNESS: 100, ATTR_HS_COLOR: (100, 70)},
-            True,
-        )
-
 
 async def test_turn_off(hass: HomeAssistant, fritz: Mock) -> None:
     """Test turn device off."""