catppuccin/src/_codemirror.scss

.CodeMirror,
.CodeMirror.cm-s-default,
.CodeMirror.cm-s-paper {
  .cm-property {
    color: $text;
  }

  .cm-header {
    color: $text;
  }

  .cm-quote {
    color: $green;
  }

  .cm-keyword {
    color: $mauve;
  }

  .cm-atom {
    color: $red;
  }

  .cm-number {
    color: $peach;
  }

  .cm-def {
    color: $text;
  }

  .cm-variable-2 {
    color: $sky;
  }

  .cm-variable-3 {
    color: $teal;
  }

  .cm-comment {
    color: $surface2;
  }

  .cm-string {
    color: $green;
  }

  .cm-string-2 {
    color: $green;
  }

  .cm-meta {
    color: $peach;
  }

  .cm-qualifier {
    color: $peach;
  }

  .cm-builtin {
    color: $peach;
  }

  .cm-bracket {
    color: $text;
  }

  .cm-tag {
    color: $yellow;
  }

  .cm-attribute {
    color: $yellow;
  }

  .cm-hr {
    color: $overlay2;
  }

  .cm-url {
    color: $blue;
  }

  .cm-link {
    color: $blue;
  }

  .cm-error {
    color: $red;
  }
}