diff --git a/homeassistant/components/kulersky/light.py b/homeassistant/components/kulersky/light.py
index bfd5eec1aab..c6763e6d9f6 100644
--- a/homeassistant/components/kulersky/light.py
+++ b/homeassistant/components/kulersky/light.py
@@ -158,6 +158,11 @@ class KulerskyLight(LightEntity):
         if not brightness:
             self._attr_rgbw_color = (0, 0, 0, 0)
         else:
-            rgbw_normalized = tuple(round(x * 255 / brightness) for x in rgbw)
-            self._attr_rgbw_color = rgbw_normalized  # type:ignore[assignment]
+            rgbw_normalized = [round(x * 255 / brightness) for x in rgbw]
+            self._attr_rgbw_color = (
+                rgbw_normalized[0],
+                rgbw_normalized[1],
+                rgbw_normalized[2],
+                rgbw_normalized[3],
+            )
         self._attr_brightness = brightness