Bootstrap Snippet Generate Different Shades of the Same Color using HTML CSS Javascript

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<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<ul class="nav navbar-nav settings">
    <li class="dropdown">
        <input type="text" placeholder="type color code here" id="postColor" class="form-control">
        <button type="button" id="getColor" class="btn btn-default">Submit</button>
    </li>
    <li class="dropdown">
        <a href="#" class="dropdown-toggle" data-toggle="dropdown">
            Check your color shades
            <span class="glyphicon glyphicon-search pull-right"></span>
        </a>
        <ul class="dropdown-menu" id="shadeColors">
        </ul>
    </li>
</ul>
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body {
    background:#f0f0f0;
}
.nav {
    left:50%;
    margin-left:-150px;
    top:50px;
    position:absolute;
}
.settings {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.nav>li>a:hover, .nav>li>a:focus, .nav .open>a, .nav .open>a:hover, .nav .open>a:focus {
    background:#fff;
}
  
.dropdown:first-child {
    width: 300px;
    display: inherit;
    margin-bottom: 20px;
}
.dropdown:first-child input{
    height: 40px;
}
.dropdown:last-child {
    background:#fff;
    border:1px solid #ccc;
    border-radius:4px;
    width:300px;    
}
.dropdown ul.dropdown-menu {
    border-radius:4px;
    box-shadow:none;
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function shadeColor(color, percent) {
    var R = parseInt(color.substring(1, 3), 16);
    var G = parseInt(color.substring(3, 5), 16);
    var B = parseInt(color.substring(5, 7), 16);
    R = parseInt(R * (100 + percent) / 100);
    G = parseInt(G * (100 + percent) / 100);
    B = parseInt(B * (100 + percent) / 100);
    R = (R < 255) ? R : 255;
    G = (G < 255) ? G : 255;
    B = (B < 255) ? B : 255;
    var RR = ((R.toString(16).length == 1) ? "0" + R.toString(16) : R.toString(16));
    var GG = ((G.toString(16).length == 1) ? "0" + G.toString(16) : G.toString(16));
    var BB = ((B.toString(16).length == 1) ? "0" + B.toString(16) : B.toString(16));
    return "#" + RR + GG + BB;
}
var getval;
$("#getColor").click(function () {
    getval = $('#postColor').val();
    for (var i = 0; i < 100; i++) {
        var shadeColors = shadeColor(getval, i);
        $('#shadeColors').append(
            '<li><a href="' + shadeColors + '" style="color:' + shadeColors + ';">' + shadeColors + '<span class="glyphicon glyphicon-cog pull-right"></span></a></li><li class="divider"></li>'
        );
    }
});
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"Generate Different Shades of the Same Color"
Bootstrap 3.3.0 Snippet by shehzadali110

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"Generate Different Shades of the Same Color" Bootstrap 3.3.0 Snippet by shehzadali110

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Questions / Comments:

"Generate Different Shades of the Same Color"
Bootstrap 3.3.0 Snippet by shehzadali110