My Cheerlights HEX to RGB process in Node-RED

cheerlightMQTT.json

[
    {
        "id": "4ad8321e.b6550c",
        "type": "tab",
        "label": "CheerlightMQTT",
        "disabled": false,
        "info": "Manipulates incoming Cheerlight colours so we can use it with Home Assistant.\n\nConvert from HEX to RGB and keep the last two colours for WLED pallet usage."
    },
    {
        "id": "8680abed92dbfabe",
        "type": "mqtt in",
        "z": "4ad8321e.b6550c",
        "name": "CheerlightRGB",
        "topic": "cheerlightsRGB",
        "qos": "2",
        "datatype": "auto",
        "broker": "aa514acb.c5ac38",
        "nl": false,
        "rap": true,
        "rh": 0,
        "inputs": 0,
        "x": 80,
        "y": 300,
        "wires": [
            [
                "124a1283fe27f5c1"
            ]
        ]
    },
    {
        "id": "516a8ca4b640f4ab",
        "type": "function",
        "z": "4ad8321e.b6550c",
        "name": "CheckNewRGB",
        "func": "hex = msg.payload\nvar result = /^#?([a-f\\d]{2})([a-f\\d]{2})([a-f\\d]{2})$/i.exec(hex);\n\nvar r = parseInt(result[1], 16)\nvar g = parseInt(result[2], 16)\nvar b = parseInt(result[3], 16)\n\nprimaryRGB = flow.get(\"primaryRGB\")\nsecondaryRGB = flow.get(\"secondaryRGB\")\n\nAPICol1 = [r,g,b]\nAPICol2 = [primaryRGB.r, primaryRGB.g, primaryRGB.b]\nAPICol3 = [secondaryRGB.r, secondaryRGB.g, secondaryRGB.b]\nflow.set('tertiaryRGB', secondaryRGB)\nflow.set('secondaryRGB', primaryRGB)\nflow.set('primaryRGB', {'r':r, 'g':g, 'b':b})\n\n// Shift everything down one \"slot\"\nvar primarypayload = {payload: {'r':r, 'g':g, 'b': b}}\nvar secondarypayload = {payload: primaryRGB}\nvar tertiarypayload = { payload: secondaryRGB}\n\nvar APIpayload = {seg:[{'id':0,'pal':5,'col':[APICol1,APICol2,APICol3]}]}\nreturn [ primarypayload, secondarypayload, tertiarypayload, APIpayload]",
        "outputs": 4,
        "noerr": 0,
        "initialize": "// Code added here will be run once\n// whenever the node is started.\nvar black = {r: 0, g: 0,b: 0}\nflow.set('secondaryRGB', black)\nflow.set('primaryRGB', black)\nflow.set('tertiaryRGB', black)\n",
        "finalize": "",
        "libs": [],
        "x": 440,
        "y": 480,
        "wires": [
            [
                "bfe55059920de131"
            ],
            [
                "d3466a424e1fd215"
            ],
            [
                "95a2bf2da479f854"
            ],
            [
                "d98875e840ab8b2b"
            ]
        ],
        "outputLabels": [
            "NewRGB",
            "",
            "",
            ""
        ]
    },
    {
        "id": "bfe55059920de131",
        "type": "mqtt out",
        "z": "4ad8321e.b6550c",
        "name": "CheerLightsPrimaryRGB",
        "topic": "cheerlightsPrimary",
        "qos": "",
        "retain": "",
        "respTopic": "",
        "contentType": "",
        "userProps": "",
        "correl": "",
        "expiry": "",
        "broker": "aa514acb.c5ac38",
        "x": 750,
        "y": 420,
        "wires": []
    },
    {
        "id": "124a1283fe27f5c1",
        "type": "rbe",
        "z": "4ad8321e.b6550c",
        "name": "",
        "func": "rbe",
        "gap": "",
        "start": "",
        "inout": "out",
        "septopics": true,
        "property": "payload",
        "topi": "topic",
        "x": 270,
        "y": 400,
        "wires": [
            [
                "516a8ca4b640f4ab"
            ]
        ]
    },
    {
        "id": "d3466a424e1fd215",
        "type": "mqtt out",
        "z": "4ad8321e.b6550c",
        "name": "CheerLightsSecondaryRGB",
        "topic": "cheerlightsSecondary",
        "qos": "",
        "retain": "",
        "respTopic": "",
        "contentType": "",
        "userProps": "",
        "correl": "",
        "expiry": "",
        "broker": "aa514acb.c5ac38",
        "x": 760,
        "y": 500,
        "wires": []
    },
    {
        "id": "95a2bf2da479f854",
        "type": "mqtt out",
        "z": "4ad8321e.b6550c",
        "name": "CheerLightsTertiaryRGB",
        "topic": "cheerlightTertiary",
        "qos": "",
        "retain": "",
        "respTopic": "",
        "contentType": "",
        "userProps": "",
        "correl": "",
        "expiry": "",
        "broker": "aa514acb.c5ac38",
        "x": 760,
        "y": 600,
        "wires": []
    },
    {
        "id": "d98875e840ab8b2b",
        "type": "websocket out",
        "z": "4ad8321e.b6550c",
        "name": "CandyWS",
        "server": "",
        "client": "ea3b2cc02adac10d",
        "x": 740,
        "y": 720,
        "wires": []
    },
    {
        "id": "aa514acb.c5ac38",
        "type": "mqtt-broker",
        "name": "HA",
        "broker": "192.168.30.33",
        "port": "1883",
        "clientid": "",
        "usetls": false,
        "compatmode": false,
        "protocolVersion": "4",
        "keepalive": "60",
        "cleansession": true,
        "birthTopic": "",
        "birthQos": "0",
        "birthPayload": "",
        "birthMsg": {},
        "closeTopic": "",
        "closeQos": "0",
        "closePayload": "",
        "closeMsg": {},
        "willTopic": "",
        "willQos": "0",
        "willPayload": "",
        "willMsg": {},
        "sessionExpiry": ""
    },
    {
        "id": "ea3b2cc02adac10d",
        "type": "websocket-client",
        "path": "ws://100.64.1.107/ws",
        "tls": "",
        "wholemsg": "true",
        "hb": "0"
    }
]