JSFiddle - React, Tailwind, and code Playground
HTML
<td class="footable-visible" style="width:1px; ">
<div class="container" style="width:130px;">
<div class="row">
<select id="mySelect" class="form-control">
<option style="color:white;background-color:#72D527;"> </option>
<option class="test" style="color:white;"> </option>
<option style="color:white;background-color:#CE93D8;"> </option>
<option style="color:white;background-color:#FFAB91;"> </option>
<option style="color:white;background-color:#F9A825;"> </option>
<option style="color:white;background-color:#BCAAA4;"> </option>
<option style="color:white;background-color:#9E9E9E;"> </option>
</select>
</div>
</div>
</td>
CSS
.test{
background-image: linear-gradient(blue 50%, green 50%);
}