JSFiddle - React, Tailwind, and code Playground

HTML

<select>
  <option value="option1">option1</option>
  <option value="option2">option2</option>
  <option value="option3">option3</option>
  <option value="option4">option4</option>
</select>

CSS

select{
  width: 150px;
  height: 30px;
  padding: 5px;
  color: green;
}
select option { color: black; }
select option{}
.option1{
  color: green;
}