themeColorString(default: 'base')
Controls the main color applied to the button. Valid values are:  "base", "primary", "secondary", "tertiary", "info", "success", "warning", "error", "dark", "light", "inverse", and "none". Default value is "base".
Example
<button id="button" type="button">Cancel</button>
<script>
    $("#button").kendoButton({
        themeColor: "dark"
    });
</script>In this article