Apple Watch action: which is the best color scheme?

Hello everybody,
What do you think is the best color scheme for Apple Watch actions?
I’m doing various tests but none of them satisfy me.
At the moment I’m using dark gray as a background and white for the text.
The color of the icons changes according to the context (yellow for the lights, blue for the switches and green for the air purifier).

here below an example:

    - name: KITCHEN'S LIGHT
      background_color: "#777777"
        text: "Kitchen light On/Off"
        color: "#ffffff"
        icon: mdi:light-recessed
        color: "#ffff00"

It is obvious that this is a very subjective aspect but I would love to receive your suggestions
Thanks in advance