THE THIRD PARTY CONTROL
Sorry, the smart devicecannot work with IFTTT. But you can trigger Automation inside App.
As long as the device is online you can control it from your phone if you have an internet connection from anywhere. The devices do not have to be on the same network
You can change the color via Echo Device.
Here is the voice command:
"Alexa, make the living room lights red""Alexa, turn the lights to soft white.""Alexa, raise the temperature 1 degree."
"Alexa, dim the lights to 50 percent."
For the color temperature control, you can try voice command as following:
"Alexa, make the kitchen lights a little warmer.
"Alexa, raise the temperature to *%."