JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app="myApp" ng-controller="myCtrl" style="background:{{hex}}">
        Background-color: {{hex}}
</div>

CSS

div {
    width:300px;
    height:50px;
    font: bold 16px Arial;
    padding:10px;
}

JavaScript

var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
    $scope.hex= "#ff0000";
});