WLED set speed and intensity from HA

The light.turn_on service in HA doesn’t seem to accept intensity and speed attributes for WLED effects. Is there a way to set them via service calls?

Likewise, it seems there’s no support for setting background colors (2 and 3)

I’m also looking for this as I’ve migrated my lights to WLED. Would be great to somehow get more of WLED’s functionality in to HA.

I use this: