nix-community.nixvim/tests/test-sources/modules/highlight.nix

{
  example = {
    options.termguicolors = true;

    highlight = {
      MacchiatoRed.fg = "#ed8796";
    };

    highlightOverride = {
      Normal.fg = "#ff0000";

      # With raw
      Normal.bg.__raw = "'#00ff00'";
    };
  };
}