Complete reference of Alexa voice commands for controlling smart lights through Node-RED, including power, brightness, color, and color temperature.
"Alexa, turn on the living room light"
Sets power state to ON
"Alexa, turn off the bedroom light"
Sets power state to OFF
"Alexa, set the light to 50 percent"
Sets brightness to specified percentage
Parameters: 0-100
"Alexa, dim the light"
Decreases brightness by 25%
"Alexa, brighten the light"
Increases brightness by 25%
"Alexa, set the light to blue"
Changes light color to specified color name
Parameters: Color name (red, blue, green, etc.)
"Alexa, set the light to warm white"
Sets color temperature to warm white (~2700K)
Parameters: Color temperature name
"Alexa, make the light warmer"
Decreases color temperature (warmer)
"Alexa, make the light cooler"
Increases color temperature (cooler)
"Alexa, set the light to daylight"
Sets color temperature to daylight (~5500K)
Parameters: Temperature preset name
Limited to basic on/off and brightness
Color support varies by plan
On/off and brightness only, no color
There are several Node-RED nodes that support light devices with Alexa. Compare features, setup difficulty, and pricing to find the right fit.
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