OH RGB LED

import org.openhab.core.library.types.*

rule "Set RGB value RGBLed"
when
        Item RGBLed changed
then
        val hsbValue = RGBLed.state as HSBType
        val brightness = hsbValue.brightness.intValue
        val redValue = ((((hsbValue.red.intValue * 255) / 100) *brightness) /100).toString
        val greenValue = ((((hsbValue.green.intValue * 255) / 100) *brightness) /100).toString
        val blueValue = ((((hsbValue.blue.intValue * 255) / 100) *brightness) /100).toString
        val color = redValue + "," + greenValue + "," + blueValue
        sendCommand( RGBLedColor, color)
end