.simplecolorpicker.glyphicons span.color[data-selected]:after {
    /* Taken from glyphicon class. */
    position: relative;
    top: 1px;
    font-family: 'Glyphicons Halflings';
    line-height: .9;
    -webkit-font-smoothing: antialiased;

    content: '\e013'; /* Ok/check mark */

    margin-right: 1px;
    margin-left: 1px;
}