JSFiddle - React, Tailwind, and code Playground
HTML
<a href="#" id="check1">PINK</a>
CSS
.icon{
display:none;
content: '';
margin:1px 5px 0 0;
padding:0px;
height:9px;
width: 9px;
background:url(http://defimenko.dev.topmall/prod/web/images/main-sprite.png) -590px -1px no-repeat;
}
#check1:hover .icon{display:inline-block}
JavaScript
var colorHtml = '<div class="icon"></div>';
$("#check1").before(colorHtml);