diff --git a/homeassistant/components/tuya/light.py b/homeassistant/components/tuya/light.py
index aef9908c825..d070ffd038a 100644
--- a/homeassistant/components/tuya/light.py
+++ b/homeassistant/components/tuya/light.py
@@ -186,14 +186,14 @@ class _ColorDataWrapper(DPCodeJsonWrapper):
         )
 
     def _convert_value_to_raw_value(
-        self, device: CustomerDevice, value: tuple[tuple[float, float], float]
+        self, device: CustomerDevice, value: tuple[float, float, float]
     ) -> Any:
-        """Convert a Home Assistant color/brightness pair back to a raw device value."""
-        color, brightness = value
+        """Convert a Home Assistant tuple (H, S, V) back to a raw device value."""
+        hue, saturation, brightness = value
         return json.dumps(
             {
-                "h": round(self.h_type.remap_value_from(color[0])),
-                "s": round(self.s_type.remap_value_from(color[1])),
+                "h": round(self.h_type.remap_value_from(hue)),
+                "s": round(self.s_type.remap_value_from(saturation)),
                 "v": round(self.v_type.remap_value_from(brightness)),
             }
         )
diff --git a/tests/components/tuya/test_light.py b/tests/components/tuya/test_light.py
index 37d70150d11..d0b541a0231 100644
--- a/tests/components/tuya/test_light.py
+++ b/tests/components/tuya/test_light.py
@@ -11,6 +11,7 @@ from tuya_sharing import CustomerDevice, Manager
 
 from homeassistant.components.light import (
     ATTR_BRIGHTNESS,
+    ATTR_HS_COLOR,
     ATTR_WHITE,
     DOMAIN as LIGHT_DOMAIN,
     SERVICE_TURN_OFF,
@@ -91,6 +92,18 @@ async def test_platform_setup_and_discovery(
                 {"code": "bright_value_v2", "value": 592},
             ],
         ),
+        (
+            SERVICE_TURN_ON,
+            {
+                ATTR_BRIGHTNESS: 255,
+                ATTR_HS_COLOR: (10.1, 20.2),
+            },
+            [
+                {"code": "switch_led", "value": True},
+                {"code": "work_mode", "value": "colour"},
+                {"code": "colour_data_v2", "value": '{"h": 10, "s": 202, "v": 1000}'},
+            ],
+        ),
         (
             SERVICE_TURN_OFF,
             {},