How to Change Text Color Using Java Script In MVC

Hello....Plz Help

i want to change the color of div="cnt" which Show Remaining Character. if Character More The 28 Then want Color In Green Other Wise by default Red

HTML CODE:-

@Html.EditorFor(model => model.Title, new { htmlAttributes = new { @class = "form-control"} })

@Html.ValidationMessageFor(model => model.Title, "", new { @class = "text-danger" })

JAVASCRIPT:-

$("#Title").keyup(function () {

var lenCount = document.getElementById('Title');

var count = 145 - lenCount.value.length;

document.getElementById('cnt').innerHTML = count + ' ' + 'Character Remaining';

I DO This But It Not Work:-

if (count >= 28) {

document.getElementById("cnt").style.color = "#ff0000";

}

if (count == 145) {

$("#cnt").html('');

}

});