JSFiddle - React, Tailwind, and code Playground

HTML

<span class="youtuber">YouTuber</span>

CSS

.youtuber {
  font-size: 2em;
  background: -webkit-linear-gradient(left, red 50%, black 50%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
 }