diff --git a/homeassistant/components/light/mystrom.py b/homeassistant/components/light/mystrom.py
index ecb120e3079..9f049dd2e8a 100644
--- a/homeassistant/components/light/mystrom.py
+++ b/homeassistant/components/light/mystrom.py
@@ -11,8 +11,10 @@ import voluptuous as vol
 import homeassistant.helpers.config_validation as cv
 from homeassistant.components.light import (
     Light, PLATFORM_SCHEMA, ATTR_BRIGHTNESS, SUPPORT_BRIGHTNESS,
-    SUPPORT_EFFECT, ATTR_EFFECT, SUPPORT_FLASH)
+    SUPPORT_EFFECT, ATTR_EFFECT, SUPPORT_FLASH, SUPPORT_RGB_COLOR,
+    ATTR_RGB_COLOR)
 from homeassistant.const import CONF_HOST, CONF_MAC, CONF_NAME, STATE_UNKNOWN
+from homeassistant.util.color import color_RGB_to_hsv, color_hsv_to_RGB
 
 REQUIREMENTS = ['python-mystrom==0.3.8']
 
@@ -20,7 +22,10 @@ _LOGGER = logging.getLogger(__name__)
 
 DEFAULT_NAME = 'myStrom bulb'
 
-SUPPORT_MYSTROM = (SUPPORT_BRIGHTNESS | SUPPORT_EFFECT | SUPPORT_FLASH)
+SUPPORT_MYSTROM = (
+    SUPPORT_BRIGHTNESS | SUPPORT_EFFECT | SUPPORT_FLASH |
+    SUPPORT_RGB_COLOR
+)
 
 EFFECT_RAINBOW = 'rainbow'
 EFFECT_SUNRISE = 'sunrise'
@@ -67,6 +72,8 @@ class MyStromLight(Light):
         self._state = None
         self._available = False
         self._brightness = 0
+        self._color_h = 0
+        self._color_s = 0
 
     @property
     def name(self):
@@ -83,6 +90,11 @@ class MyStromLight(Light):
         """Return the brightness of the light."""
         return self._brightness
 
+    @property
+    def rgb_color(self):
+        """Return the color of the light."""
+        return color_hsv_to_RGB(self._color_h, self._color_s, self._brightness)
+
     @property
     def available(self) -> bool:
         """Return True if entity is available."""
@@ -105,11 +117,25 @@ class MyStromLight(Light):
         brightness = kwargs.get(ATTR_BRIGHTNESS, 255)
         effect = kwargs.get(ATTR_EFFECT)
 
+        if ATTR_RGB_COLOR in kwargs:
+            # New color, compute from RGB
+            color_h, color_s, brightness = color_RGB_to_hsv(
+                *kwargs[ATTR_RGB_COLOR]
+            )
+            brightness = brightness / 100 * 255
+        elif ATTR_BRIGHTNESS in kwargs:
+            # Brightness update, keep color
+            color_h, color_s = self._color_h, self._color_s
+        else:
+            color_h, color_s = 0, 0  # Back to white
+
         try:
             if not self.is_on:
                 self._bulb.set_on()
             if brightness is not None:
-                self._bulb.set_color_hsv(0, 0, round(brightness * 100 / 255))
+                self._bulb.set_color_hsv(
+                    int(color_h), int(color_s), round(brightness * 100 / 255)
+                )
             if effect == EFFECT_SUNRISE:
                 self._bulb.set_sunrise(30)
             if effect == EFFECT_RAINBOW:
@@ -132,7 +158,14 @@ class MyStromLight(Light):
 
         try:
             self._state = self._bulb.get_status()
-            self._brightness = int(self._bulb.get_brightness()) * 255 / 100
+
+            colors = self._bulb.get_color()['color']
+            color_h, color_s, color_v = colors.split(';')
+
+            self._color_h = int(color_h)
+            self._color_s = int(color_s)
+            self._brightness = int(color_v) * 255 / 100
+
             self._available = True
         except MyStromConnectionError:
             _LOGGER.warning("myStrom bulb not online")