[рони]

Ubivectel,
находим kide.onLoad добавляем красное

kide.onLoad(function() {
kide.avisar.handleVisibility();
*!*
let localColor = localStorage.getItem("localColor");
if(localColor){
kide.color = localColor;
kide.save_options();
};
*/!*
}, function() {});

находим save_options добавляем фигурные скобки и строку

save_options: function() {
        this.show('KIDE_opciones', false);
        *!*
        if (this.color){
        localStorage.setItem("localColor", this.color);
        this.save_config("color", this.color);
        }
        */!*
        this.save_config("ocultar_sesion", this.attr('ocultar_sesion', 'checked') ? 1 : 0);
        if (this.form("KIDE_template") != this.template) {
            this.save_config("template", this.form("KIDE_template"));
            location.reload();
        }
    },