Dcat-Admin/src/Console/stubs/extension/view.stub

<div class="extension-demo">
	Welcome to dcat-admin !
</div>

<style>
	.extension-demo {
		color: {!! admin_color()->primary() !!};
	}
</style>

<script require="@{name}">
	$('.extension-demo').extensionDemo();
</script>