Vuetify v-select on change Event

<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Quiz Creator</title>

<link href="https://cdn.jsdelivr.net/npm/@mdi/font@5.9.55/css/materialdesignicons.min.css" rel="stylesheet">
    
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/vuetify@3.1.11/dist/vuetify.min.css">
</head>

<script src="https://unpkg.com/vue@3.2.21/dist/vue.global.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/vuetify@3.1.11/dist/vuetify.min.js"></script>

const vuetify = createVuetify()

const app = createApp({
            data() {
                return {
                    selectedColor: ''
                }
            },
            watch: {
                selectedColor: function (newValue) {
                    this.updateColor(newValue)
                },
            },
            methods: {
                updateColor(color) {
                    alert(color)

}
            }
        }).use(vuetify).mount('#app');
    </script>
</body>

</html>