JSFiddle - React, Tailwind, and code Playground

HTML

<div class="base-paper">
<span>ほげほげほげ</span>
</div>

CSS

.base-paper {
  max-height: 2.25em;
  max-width: 2em;
  background-color: #444;
}

span{
  color: #fff;
  mix-blend-mode: difference;
}