diff --git a/homeassistant/util/color.py b/homeassistant/util/color.py
index e8f802e3aa5..ccb4980492f 100644
--- a/homeassistant/util/color.py
+++ b/homeassistant/util/color.py
@@ -450,7 +450,9 @@ def color_rgb_to_rgbww(
     w_r, w_g, w_b = color_temperature_to_rgb(color_temp_kelvin)
 
     # Find the ratio of the midpoint white in the input rgb channels
-    white_level = min(r / w_r, g / w_g, b / w_b if w_b else 0)
+    white_level = min(
+        r / w_r if w_r else 0, g / w_g if w_g else 0, b / w_b if w_b else 0
+    )
 
     # Subtract the white portion from the rgb channels.
     rgb = (r - w_r * white_level, g - w_g * white_level, b - w_b * white_level)
diff --git a/tests/util/test_color.py b/tests/util/test_color.py
index 9c4b781dc65..31778781676 100644
--- a/tests/util/test_color.py
+++ b/tests/util/test_color.py
@@ -401,6 +401,8 @@ def test_color_rgb_to_rgbww():
     assert color_util.color_rgb_to_rgbww(64, 64, 64, 154, 370) == (0, 14, 25, 64, 64)
     assert color_util.color_rgb_to_rgbww(32, 64, 16, 154, 370) == (9, 64, 0, 38, 38)
     assert color_util.color_rgb_to_rgbww(0, 0, 0, 154, 370) == (0, 0, 0, 0, 0)
+    assert color_util.color_rgb_to_rgbww(0, 0, 0, 0, 100) == (0, 0, 0, 0, 0)
+    assert color_util.color_rgb_to_rgbww(255, 255, 255, 1, 5) == (103, 69, 0, 255, 255)
 
 
 def test_color_temperature_to_rgbww():