diff --git a/homeassistant/components/tasmota/manifest.json b/homeassistant/components/tasmota/manifest.json
index a4d6ec6036f..a4c6f77fc13 100644
--- a/homeassistant/components/tasmota/manifest.json
+++ b/homeassistant/components/tasmota/manifest.json
@@ -3,7 +3,7 @@
   "name": "Tasmota (beta)",
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/tasmota",
-  "requirements": ["hatasmota==0.1.2"],
+  "requirements": ["hatasmota==0.1.4"],
   "dependencies": ["mqtt"],
   "mqtt": ["tasmota/discovery/#"],
   "codeowners": ["@emontnemery"]
diff --git a/requirements_all.txt b/requirements_all.txt
index 55fc295705d..35703034d35 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -738,7 +738,7 @@ hass-nabucasa==0.38.0
 hass_splunk==0.1.1
 
 # homeassistant.components.tasmota
-hatasmota==0.1.2
+hatasmota==0.1.4
 
 # homeassistant.components.jewish_calendar
 hdate==0.9.12
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index b100b4fe966..e5552f4c45b 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -376,7 +376,7 @@ hangups==0.4.11
 hass-nabucasa==0.38.0
 
 # homeassistant.components.tasmota
-hatasmota==0.1.2
+hatasmota==0.1.4
 
 # homeassistant.components.jewish_calendar
 hdate==0.9.12
diff --git a/tests/components/tasmota/test_light.py b/tests/components/tasmota/test_light.py
index 627eb5198aa..f09c27da753 100644
--- a/tests/components/tasmota/test_light.py
+++ b/tests/components/tasmota/test_light.py
@@ -493,6 +493,191 @@ async def test_controlling_state_via_mqtt_rgbww(hass, mqtt_mock, setup_tasmota):
     assert state.state == STATE_OFF
 
 
+async def test_controlling_state_via_mqtt_rgbww_hex(hass, mqtt_mock, setup_tasmota):
+    """Test state update via MQTT."""
+    config = copy.deepcopy(DEFAULT_CONFIG)
+    config["rl"][0] = 2
+    config["lt_st"] = 5  # 5 channel light (RGBCW)
+    config["so"]["17"] = 0  # Hex color in state updates
+    mac = config["mac"]
+
+    async_fire_mqtt_message(
+        hass,
+        f"{DEFAULT_PREFIX}/{mac}/config",
+        json.dumps(config),
+    )
+    await hass.async_block_till_done()
+
+    state = hass.states.get("light.test")
+    assert state.state == "unavailable"
+    assert not state.attributes.get(ATTR_ASSUMED_STATE)
+
+    async_fire_mqtt_message(hass, "tasmota_49A3BC/tele/LWT", "Online")
+    state = hass.states.get("light.test")
+    assert state.state == STATE_OFF
+    assert not state.attributes.get(ATTR_ASSUMED_STATE)
+
+    async_fire_mqtt_message(hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"ON"}')
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+
+    async_fire_mqtt_message(hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"OFF"}')
+    state = hass.states.get("light.test")
+    assert state.state == STATE_OFF
+
+    async_fire_mqtt_message(
+        hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"ON","Dimmer":50}'
+    )
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+    assert state.attributes.get("brightness") == 127.5
+
+    async_fire_mqtt_message(
+        hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"ON","Color":"FF8000"}'
+    )
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+    assert state.attributes.get("rgb_color") == (255, 128, 0)
+
+    async_fire_mqtt_message(
+        hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"ON","Color":"00FF800000"}'
+    )
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+    assert state.attributes.get("rgb_color") == (0, 255, 128)
+
+    async_fire_mqtt_message(
+        hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"ON","White":50}'
+    )
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+    assert state.attributes.get("white_value") == 127.5
+    # Setting white > 0 should clear the color
+    assert not state.attributes.get("rgb_color")
+
+    async_fire_mqtt_message(
+        hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"ON","CT":300}'
+    )
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+    assert state.attributes.get("color_temp") == 300
+
+    async_fire_mqtt_message(
+        hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"ON","White":0}'
+    )
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+    # Setting white to 0 should clear the white_value and color_temp
+    assert not state.attributes.get("white_value")
+    assert not state.attributes.get("color_temp")
+
+    async_fire_mqtt_message(
+        hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"ON","Scheme":3}'
+    )
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+    assert state.attributes.get("effect") == "Cycle down"
+
+    async_fire_mqtt_message(hass, "tasmota_49A3BC/stat/RESULT", '{"POWER":"ON"}')
+
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+
+    async_fire_mqtt_message(hass, "tasmota_49A3BC/stat/RESULT", '{"POWER":"OFF"}')
+
+    state = hass.states.get("light.test")
+    assert state.state == STATE_OFF
+
+
+async def test_controlling_state_via_mqtt_rgbww_tuya(hass, mqtt_mock, setup_tasmota):
+    """Test state update via MQTT."""
+    config = copy.deepcopy(DEFAULT_CONFIG)
+    config["rl"][0] = 2
+    config["lt_st"] = 5  # 5 channel light (RGBCW)
+    config["ty"] = 1  # Tuya device
+    mac = config["mac"]
+
+    async_fire_mqtt_message(
+        hass,
+        f"{DEFAULT_PREFIX}/{mac}/config",
+        json.dumps(config),
+    )
+    await hass.async_block_till_done()
+
+    state = hass.states.get("light.test")
+    assert state.state == "unavailable"
+    assert not state.attributes.get(ATTR_ASSUMED_STATE)
+
+    async_fire_mqtt_message(hass, "tasmota_49A3BC/tele/LWT", "Online")
+    state = hass.states.get("light.test")
+    assert state.state == STATE_OFF
+    assert not state.attributes.get(ATTR_ASSUMED_STATE)
+
+    async_fire_mqtt_message(hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"ON"}')
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+
+    async_fire_mqtt_message(hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"OFF"}')
+    state = hass.states.get("light.test")
+    assert state.state == STATE_OFF
+
+    async_fire_mqtt_message(
+        hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"ON","Dimmer":50}'
+    )
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+    assert state.attributes.get("brightness") == 127.5
+
+    async_fire_mqtt_message(
+        hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"ON","Color":"255,128,0"}'
+    )
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+    assert state.attributes.get("rgb_color") == (255, 128, 0)
+
+    async_fire_mqtt_message(
+        hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"ON","White":50}'
+    )
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+    assert state.attributes.get("white_value") == 127.5
+    # Setting white > 0 should clear the color
+    assert not state.attributes.get("rgb_color")
+
+    async_fire_mqtt_message(
+        hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"ON","CT":300}'
+    )
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+    assert state.attributes.get("color_temp") == 300
+
+    async_fire_mqtt_message(
+        hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"ON","White":0}'
+    )
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+    # Setting white to 0 should clear the white_value and color_temp
+    assert not state.attributes.get("white_value")
+    assert not state.attributes.get("color_temp")
+
+    async_fire_mqtt_message(
+        hass, "tasmota_49A3BC/tele/STATE", '{"POWER":"ON","Scheme":3}'
+    )
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+    assert state.attributes.get("effect") == "Cycle down"
+
+    async_fire_mqtt_message(hass, "tasmota_49A3BC/stat/RESULT", '{"POWER":"ON"}')
+
+    state = hass.states.get("light.test")
+    assert state.state == STATE_ON
+
+    async_fire_mqtt_message(hass, "tasmota_49A3BC/stat/RESULT", '{"POWER":"OFF"}')
+
+    state = hass.states.get("light.test")
+    assert state.state == STATE_OFF
+
+
 async def test_sending_mqtt_commands_on_off(hass, mqtt_mock, setup_tasmota):
     """Test the sending MQTT commands."""
     config = copy.deepcopy(DEFAULT_CONFIG)
@@ -745,6 +930,26 @@ async def test_transition(hass, mqtt_mock, setup_tasmota):
     )
     mqtt_mock.async_publish.reset_mock()
 
+    # Dim the light from 0->100: Speed should be capped at 40
+    await common.async_turn_on(hass, "light.test", brightness=255, transition=100)
+    mqtt_mock.async_publish.assert_called_once_with(
+        "tasmota_49A3BC/cmnd/Backlog",
+        "NoDelay;Fade 1;NoDelay;Speed 40;NoDelay;Dimmer 100",
+        0,
+        False,
+    )
+    mqtt_mock.async_publish.reset_mock()
+
+    # Dim the light from 0->0: Speed should be 1
+    await common.async_turn_on(hass, "light.test", brightness=0, transition=100)
+    mqtt_mock.async_publish.assert_called_once_with(
+        "tasmota_49A3BC/cmnd/Backlog",
+        "NoDelay;Fade 1;NoDelay;Speed 1;NoDelay;Power1 OFF",
+        0,
+        False,
+    )
+    mqtt_mock.async_publish.reset_mock()
+
     # Dim the light from 0->50: Speed should be 4*2*2=16
     await common.async_turn_on(hass, "light.test", brightness=128, transition=4)
     mqtt_mock.async_publish.assert_called_once_with(