$fills: (
  "primary": $primary,
  "accent": $accent,
  "background": $background,
  "alert": $warning-color,
  "warning": $forewarn-color,
  "success": $valid-color,
  "white": $white,
  "shadow": $shadow,
  "black": $black,
);

@each $fill, $color in $fills {
  .fill-#{$fill} {
    fill: $color;
  }
}