diff --git a/homeassistant/components/shelly/const.py b/homeassistant/components/shelly/const.py
index 3c9c24b1f7f..a6f3ab12c6b 100644
--- a/homeassistant/components/shelly/const.py
+++ b/homeassistant/components/shelly/const.py
@@ -21,6 +21,11 @@ LIGHT_TRANSITION_MIN_FIRMWARE_DATE: Final = 20210226
 # max light transition time in milliseconds
 MAX_TRANSITION_TIME: Final = 5000
 
+RGBW_MODELS: Final = (
+    "SHBLB-1",
+    "SHRGBW2",
+)
+
 MODELS_SUPPORTING_LIGHT_TRANSITION: Final = (
     "SHBDUO-1",
     "SHCB-1",
diff --git a/homeassistant/components/shelly/light.py b/homeassistant/components/shelly/light.py
index cd034c1e7e5..3e0fce43681 100644
--- a/homeassistant/components/shelly/light.py
+++ b/homeassistant/components/shelly/light.py
@@ -46,6 +46,7 @@ from .const import (
     LIGHT_TRANSITION_MIN_FIRMWARE_DATE,
     MAX_TRANSITION_TIME,
     MODELS_SUPPORTING_LIGHT_TRANSITION,
+    RGBW_MODELS,
     RPC,
     SHBLB_1_RGB_EFFECTS,
     STANDARD_RGB_EFFECTS,
@@ -143,7 +144,7 @@ class BlockShellyLight(ShellyBlockEntity, LightEntity):
 
         if hasattr(block, "red") and hasattr(block, "green") and hasattr(block, "blue"):
             self._min_kelvin = KELVIN_MIN_VALUE_COLOR
-            if hasattr(block, "white"):
+            if wrapper.model in RGBW_MODELS:
                 self._supported_color_modes.add(COLOR_MODE_RGBW)
             else:
                 self._supported_color_modes.add(COLOR_MODE_RGB)