Use RGB to Mix Colors: please i need help

Tell us what’s happening:

Your code so far

<style>
  .red-text {
    color: rgb(255,0,0)
  }
  .orchid-text {
    color: rgb(218,112,214)
  }
  .sienna-text {
    color: rgb(160,82,45)
  }
  .blue-text {
    color: rgb(0,0,255)
  }
</style>

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

<h1 class="orchid-text">I am orchid</h1>

<h1 class="sienna-text">I am sienna</h1>

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

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Link to the challenge:
https://www.freecodecamp.org/challenges/use-rgb-to-mix-colors