Adjust the Tone of a Color- i am stuck in this one, i cant make it work please help

Tell us what’s happening:

Your code so far

  header {
    background-color: hsl(180, 100%, 50%);
    color: #FFFFFF;
  nav {
  h1 {
    text-indent: 10px;
    padding-top: 10px;
  nav ul {
    margin: 0px;
    padding: 5px 0px 5px 30px;
    background-color: hsl(180, 25%, 80%);
  nav li {
    display: inline;
    margin-right: 20px;
    background-color: hsl(180, 25%, 80%);
  a {
    text-decoration: none;
    color: inherit;
  <h1>Cooking with FCC!</h1>
      <li><a href="">Home</a></li>
      <li><a href="">Classes</a></li>
      <li><a href="">Contact</a></li>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36.

Link to the challenge:

Hello bnmoreno!

Take note of the bold. These are the key points to take note of.

The navigation bar on this site currently inherits its background-color from the header element. Starting with that color as a base, add a background-color to the nav element so it uses the same cyan hue, but has 80% saturation and 25% lightness values to change its tone and shade.

We know that the hsl function is defined by:

hsl(hue, saturation, lightness)

We need to use the same background color shown under the header element:

 header {
    background-color: hsl(180, 90%, 35%);
    color: #FFFFFF;

…but changing the saturation and lightness based on what they provide us in the original text and putting the code under the nav element like this:

nav {
  background-color: hsl(180, 80%, 25%); 

thanks very much, again i misunderstood the question.