Only show Color Coded layers Script

@GregCont 

Try this script:

/*
Select All Layers With Red Color Label and Isolate.jsx
v1.0 - 2nd June 2024, Stephen Marsh
https://community.adobe.com/t5/photoshop-ecosystem-discussions/only-show-color-coded-layers-script/m-p/14655753
based on a script by jazz-y
https://community.adobe.com/t5/photoshop-ecosystem-discussions/select-all-layers-except-layer-groups-and-text-layer/m-p/14355053
*/

if (app.documents.length) {
    // Select the layers by color - "none","red","orange","yellowColor","grain","blue","violet","gray" - new in 2024: "magenta", "seafoam", "indigo", "fuchsia"
    selectAllLayersLabelByColor("red");
    // Toggle on the isolate layers menu command
    app.runMenuItem(stringIDToTypeID( "isolateLayers" ));
}


// Functions

function selectAllLayersLabelByColor(theColor) {

    var AM = new ActionManager();
    from = AM.getDocProperty('hasBackgroundLayer') ? 0 : 1,
    to = AM.getDocProperty('numberOfLayers');
    
    if (to) AM.deselectLayers();
    
    for (var i = from; i <= to; i++) {
        if (AM.getLayerProperty('color', i) == theColor)
            AM.selectLayerByIndex(i, true);
    }
}

function ActionManager() {

    this.getDocProperty = function (property) {
        property = s2t(property);
        var ref = new ActionReference();
        ref.putProperty(s2t("property"), property);
        ref.putEnumerated(s2t("document"), s2t("ordinal"), s2t("targetEnum"));
        return getDescValue(executeActionGet(ref), property);
    };

    this.getLayerProperty = function (property, index) {
        property = s2t(property);
        var ref = new ActionReference();
        ref.putProperty(s2t("property"), property);
        ref.putIndex(s2t("layer"), index);
        return getDescValue(executeActionGet(ref), property);
    };

    this.selectLayerByIndex = function (idx, addToSelection) {
        var desc = new ActionDescriptor();
        var ref = new ActionReference();
        ref.putIndex(s2t("layer"), idx);
        desc.putReference(s2t("null"), ref);
        if (addToSelection) desc.putEnumerated(s2t("selectionModifier"), s2t("addToSelectionContinuous"), s2t("addToSelection"));
        executeAction(s2t("select"), desc, DialogModes.NO);
    };

    this.deselectLayers = function () {
        var desc = new ActionDescriptor();
        var ref = new ActionReference();
        ref.putEnumerated(s2t("layer"), s2t("ordinal"), s2t("targetEnum"));
        desc.putReference(s2t("null"), ref);
        executeAction(s2t("selectNoLayers"), desc, DialogModes.NO);
    };

    function getDescValue(desc, property) {

        switch (desc.getType(property)) {
            case DescValueType.OBJECTTYPE:
                return (desc.getObjectValue(property));
                break;
            case DescValueType.LISTTYPE:
                return desc.getList(property);
                break;
            case DescValueType.REFERENCETYPE:
                return desc.getReference(property);
                break;
            case DescValueType.BOOLEANTYPE:
                return desc.getBoolean(property);
                break;
            case DescValueType.STRINGTYPE:
                return desc.getString(property);
                break;
            case DescValueType.INTEGERTYPE:
                return desc.getInteger(property);
                break;
            case DescValueType.LARGEINTEGERTYPE:
                return desc.getLargeInteger(property);
                break;
            case DescValueType.DOUBLETYPE:
                return desc.getDouble(property);
                break;
            case DescValueType.ALIASTYPE:
                return desc.getPath(property);
                break;
            case DescValueType.CLASSTYPE:
                return desc.getClass(property);
                break;
            case DescValueType.UNITDOUBLE:
                return (desc.getUnitDoubleValue(property));
                break;
            case DescValueType.ENUMERATEDTYPE:
                return (t2s(desc.getEnumerationValue(property)));
                break;
            case DescValueType.RAWTYPE:
                var tempStr = desc.getData(property);
                var rawData = new Array();
                for (var tempi = 0; tempi < tempStr.length; tempi++) {
                    rawData[tempi] = tempStr.charCodeAt(tempi);
                }
                return rawData;
                break;
            default:
                break;
        }
    }

    function s2t(s) {
        return stringIDToTypeID(s);
    }

    function t2s(t) {
        return typeIDToStringID(t);
    }
}