grb.go

package main

import (
	"log"

	"github.com/bestform/gohue"
)

func main() {
	client := gohue.NewClient("USERNAME", "IP")
	err := client.Connect()
	if err != nil {
		log.Fatal(err)
	}

	for _, light := range client.Lights {
		x, y := gohue.ConvertRGBToXY(0, 255, 0)
		light.State.Xy[0] = x
		light.State.Xy[1] = y
		light.UpdateState(true)
	}
}