crafty-4/app/frontend/static/assets/scss/shared/_functions.scss

// Functions
@function social-color($key: "twitter") {
  @return map-get($social-colors, $key);
}
// Social Color
@each $color, $value in $social-colors {
  .text-#{$color} {
    @include text-color(social-color($color));
  }
}
@each $color, $value in $social-colors {
  .bg-#{$color} {
    background: social-color($color);
  }
}