diff --git a/esphome/components/cwww/light.py b/esphome/components/cwww/light.py
index 674c48d219..1a027a86b4 100644
--- a/esphome/components/cwww/light.py
+++ b/esphome/components/cwww/light.py
@@ -14,15 +14,18 @@ CWWWLightOutput = cwww_ns.class_("CWWWLightOutput", light.LightOutput)
 
 CONF_CONSTANT_BRIGHTNESS = "constant_brightness"
 
-CONFIG_SCHEMA = light.RGB_LIGHT_SCHEMA.extend(
-    {
-        cv.GenerateID(CONF_OUTPUT_ID): cv.declare_id(CWWWLightOutput),
-        cv.Required(CONF_COLD_WHITE): cv.use_id(output.FloatOutput),
-        cv.Required(CONF_WARM_WHITE): cv.use_id(output.FloatOutput),
-        cv.Required(CONF_COLD_WHITE_COLOR_TEMPERATURE): cv.color_temperature,
-        cv.Required(CONF_WARM_WHITE_COLOR_TEMPERATURE): cv.color_temperature,
-        cv.Optional(CONF_CONSTANT_BRIGHTNESS, default=False): cv.boolean,
-    }
+CONFIG_SCHEMA = cv.All(
+    light.RGB_LIGHT_SCHEMA.extend(
+        {
+            cv.GenerateID(CONF_OUTPUT_ID): cv.declare_id(CWWWLightOutput),
+            cv.Required(CONF_COLD_WHITE): cv.use_id(output.FloatOutput),
+            cv.Required(CONF_WARM_WHITE): cv.use_id(output.FloatOutput),
+            cv.Required(CONF_COLD_WHITE_COLOR_TEMPERATURE): cv.color_temperature,
+            cv.Required(CONF_WARM_WHITE_COLOR_TEMPERATURE): cv.color_temperature,
+            cv.Optional(CONF_CONSTANT_BRIGHTNESS, default=False): cv.boolean,
+        }
+    ),
+    light.validate_color_temperature_channels,
 )
 
 
diff --git a/esphome/components/light/__init__.py b/esphome/components/light/__init__.py
index 276bf8073d..119ff3703c 100644
--- a/esphome/components/light/__init__.py
+++ b/esphome/components/light/__init__.py
@@ -16,6 +16,8 @@ from esphome.const import (
     CONF_ON_TURN_OFF,
     CONF_ON_TURN_ON,
     CONF_TRIGGER_ID,
+    CONF_COLD_WHITE_COLOR_TEMPERATURE,
+    CONF_WARM_WHITE_COLOR_TEMPERATURE,
 )
 from esphome.core import coroutine_with_priority
 from .automation import light_control_to_code  # noqa
@@ -104,6 +106,18 @@ ADDRESSABLE_LIGHT_SCHEMA = RGB_LIGHT_SCHEMA.extend(
 )
 
 
+def validate_color_temperature_channels(value):
+    if (
+        value[CONF_COLD_WHITE_COLOR_TEMPERATURE]
+        >= value[CONF_WARM_WHITE_COLOR_TEMPERATURE]
+    ):
+        raise cv.Invalid(
+            "Color temperature of the cold white channel must be colder than that of the warm white channel.",
+            path=[CONF_COLD_WHITE_COLOR_TEMPERATURE],
+        )
+    return value
+
+
 async def setup_light_core_(light_var, output_var, config):
     cg.add(light_var.set_restore_mode(config[CONF_RESTORE_MODE]))
     if CONF_INTERNAL in config:
diff --git a/esphome/components/rgbww/light.py b/esphome/components/rgbww/light.py
index d152fbc6db..41cba1f7a1 100644
--- a/esphome/components/rgbww/light.py
+++ b/esphome/components/rgbww/light.py
@@ -18,19 +18,22 @@ RGBWWLightOutput = rgbww_ns.class_("RGBWWLightOutput", light.LightOutput)
 CONF_CONSTANT_BRIGHTNESS = "constant_brightness"
 CONF_COLOR_INTERLOCK = "color_interlock"
 
-CONFIG_SCHEMA = light.RGB_LIGHT_SCHEMA.extend(
-    {
-        cv.GenerateID(CONF_OUTPUT_ID): cv.declare_id(RGBWWLightOutput),
-        cv.Required(CONF_RED): cv.use_id(output.FloatOutput),
-        cv.Required(CONF_GREEN): cv.use_id(output.FloatOutput),
-        cv.Required(CONF_BLUE): cv.use_id(output.FloatOutput),
-        cv.Required(CONF_COLD_WHITE): cv.use_id(output.FloatOutput),
-        cv.Required(CONF_WARM_WHITE): cv.use_id(output.FloatOutput),
-        cv.Required(CONF_COLD_WHITE_COLOR_TEMPERATURE): cv.color_temperature,
-        cv.Required(CONF_WARM_WHITE_COLOR_TEMPERATURE): cv.color_temperature,
-        cv.Optional(CONF_CONSTANT_BRIGHTNESS, default=False): cv.boolean,
-        cv.Optional(CONF_COLOR_INTERLOCK, default=False): cv.boolean,
-    }
+CONFIG_SCHEMA = cv.All(
+    light.RGB_LIGHT_SCHEMA.extend(
+        {
+            cv.GenerateID(CONF_OUTPUT_ID): cv.declare_id(RGBWWLightOutput),
+            cv.Required(CONF_RED): cv.use_id(output.FloatOutput),
+            cv.Required(CONF_GREEN): cv.use_id(output.FloatOutput),
+            cv.Required(CONF_BLUE): cv.use_id(output.FloatOutput),
+            cv.Required(CONF_COLD_WHITE): cv.use_id(output.FloatOutput),
+            cv.Required(CONF_WARM_WHITE): cv.use_id(output.FloatOutput),
+            cv.Required(CONF_COLD_WHITE_COLOR_TEMPERATURE): cv.color_temperature,
+            cv.Required(CONF_WARM_WHITE_COLOR_TEMPERATURE): cv.color_temperature,
+            cv.Optional(CONF_CONSTANT_BRIGHTNESS, default=False): cv.boolean,
+            cv.Optional(CONF_COLOR_INTERLOCK, default=False): cv.boolean,
+        }
+    ),
+    light.validate_color_temperature_channels,
 )