Generated by SassMeister.com.

SassMeister-input-HTML.html

<div class="row">
    <div class="col-xs-12 pz-colorful-header">
        du texte...
    </div>
    <div class="col-xs-4 pz-produit">
        <span class="pz-prix">199 $</span>
    </div>
    <div class="col-xs-4 pz-produit">
        <span class="pz-prix">199 $</span>
    </div>
    <div class="col-xs-4 pz-produit">
        <span class="pz-prix">199 $</span>
    </div>
</div>

SassMeister-input.scss

// ----
// Sass (v3.3.0.rc.1)
// Compass (v0.13.alpha.10)
// ----


@mixin un_mixin($primary, $secondary) {
  .pz-colorful-header{
    background:$primary;
    color:$secondary;
  }
  .pz-produit{
    .pz-prix {
      color:$secondary;
    }
  }
}

$couleur_1: pink;
$couleur_2: green;

@include un_mixin($couleur_1 ,$couleur_2)

SassMeister-output.css

.pz-colorful-header {
  background: pink;
  color: green;
}

.pz-produit .pz-prix {
  color: green;
}

SassMeister-rendered.html

<div class="row">
    <div class="col-xs-12 pz-colorful-header">
        du texte...
    </div>
    <div class="col-xs-4 pz-produit">
        <span class="pz-prix">199 $</span>
    </div>
    <div class="col-xs-4 pz-produit">
        <span class="pz-prix">199 $</span>
    </div>
    <div class="col-xs-4 pz-produit">
        <span class="pz-prix">199 $</span>
    </div>
</div>