for the sequence of colors you need to add them as an array of array's of numbers (RGB). The following cycles through Red, Green, Blue
show_name: true show_icon: true type: button entity: light.controller_rgb_ir_c599bb name: rgb_effect tap_action: action: perform-action perform_action: flux_led.set_custom_effect target: device_id: <yours here> data: speed_pct: 50 transition: jump colors: - - 255 - 0 - 0 - - 0 - 255 - 0 - - 0 - 0 - 255