colors.scss

$colors: (
  mako-grey: #404145,
  fuel-yellow: #ecaf2d,
  pastel-green: #5ad864
);

@mixin color-modifiers {
  @each $name, $hex in $colors {
    &-#{$name} {
      color: $hex;
    }
  }
}

.text {
  @include color-modifiers;
}