Generated by SassMeister.com.

SassMeister-input-HTML.html

<ul class="bullets">
<li class="bullet three-col-bullet">
  <div class="bullet-content">
    <h2>This needs to be one color</h2>
    <p>some content</p>
    </div>
</li>  
<li class="bullet three-col-bullet">
  <div class="bullet-content">
    <h2>This is a second color</h2>
    <p>content</p>
  </div>
</li>
<li class="bullet three-col-bullet">
  <div class="bullet-content">
    <h2>Radisson Hotel Salt Lake City</h2>
    <p>215 West South Temple<br>
      $129 USD—standard room<br>
      $139/$149 USD—triple/quad
    </p>
  </div>
</li>    

SassMeister-input.scss

// ----
// Sass (v3.3.14)
// Compass (v1.0.1)
// ----

.bullets {
  $icon-bullet-size: 3.5em;
  $colors:
      desaturate(blue, 30),
      desaturate(green, 10),
      desaturate(yellow, 30),
      desaturate(red, 30),
      desaturate(goldenrod, 30);

  padding: 2em;
  overflow: auto;
  text-align: center;

    @for $i from 1 to length($colors) {
      li:nth-of-type(#{$i}) h2 {
        $color-from-list: nth($colors, $i);
        color: $color-from-list;
      }
  }
}

SassMeister-output.css

.bullets {
  padding: 2em;
  overflow: auto;
  text-align: center;
}
.bullets li:nth-of-type(1) h2 {
  color: #2626d9;
}
.bullets li:nth-of-type(2) h2 {
  color: #067a06;
}
.bullets li:nth-of-type(3) h2 {
  color: #d9d926;
}
.bullets li:nth-of-type(4) h2 {
  color: #d92626;
}

SassMeister-rendered.html

<ul class="bullets">
<li class="bullet three-col-bullet">
  <div class="bullet-content">
    <h2>This needs to be one color</h2>
    <p>some content</p>
    </div>
</li>  
<li class="bullet three-col-bullet">
  <div class="bullet-content">
    <h2>This is a second color</h2>
    <p>content</p>
  </div>
</li>
<li class="bullet three-col-bullet">
  <div class="bullet-content">
    <h2>Radisson Hotel Salt Lake City</h2>
    <p>215 West South Temple<br>
      $129 USD—standard room<br>
      $139/$149 USD—triple/quad
    </p>
  </div>
</li>