Use Hex Code to Mix Colors, help i dont know why my codes are not working

Tell us what’s happening:

Your code so far

  .red-text {
    color: ff0000;
  .green-text {
    color: 00ff00;
  .dodger-blue-text {
    color: 1e90ff;
  .orange-text {
    color: ffa500;

<h1 class="red-text">I am red!</h1>

<h1 class="green-text">I am green!</h1>

<h1 class="dodger-blue-text">I am dodger blue!</h1>

<h1 class="orange-text">I am orange!</h1>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36.

Link to the challenge:

you’ve just forget the # before the hex color, like #ff0000.