diff --git a/homeassistant/components/light/tradfri.py b/homeassistant/components/light/tradfri.py
index fa21af996cb..0f56982dae5 100644
--- a/homeassistant/components/light/tradfri.py
+++ b/homeassistant/components/light/tradfri.py
@@ -179,8 +179,8 @@ class Tradfri(Light):
             self._api(self._light_control.set_state(True))
 
         if ATTR_RGB_COLOR in kwargs and self._light_data.hex_color is not None:
-            self._api(self._light.light_control.set_hex_color(
-                color_util.color_rgb_to_hex(*kwargs[ATTR_RGB_COLOR])))
+            self._api(self._light.light_control.set_rgb_color(
+                *kwargs[ATTR_RGB_COLOR]))
 
         elif ATTR_COLOR_TEMP in kwargs and \
                 self._light_data.hex_color is not None and self._ok_temps: