Sass Util Generator - Color classes

$colors: (
  black: $black,
  white: $white,
  "gray-50": $gray-50,
  "gray-100": $gray-100,
  "gray-200": $gray-200,
  "gray-300": $gray-300,
  "gray-400": $gray-400,
  "gray-500": $gray-500,
  "gray-600": $gray-600,
  "gray-700": $gray-700,
  "gray-800": $gray-800,
  "gray-900": $gray-900,
  "primary": $primary-color,
  "primary-50": $primary-50,
  "primary-100": $primary-100,
  "primary-200": $primary-200,
  "primary-300": $primary-300,
  "primary-400": $primary-400,
  "primary-500": $primary-500,
  "primary-600": $primary-600,
  "primary-700": $primary-700,
  "primary-800": $primary-800,
  "primary-900": $primary-900,
) !default;

$classes: "color" "background-color";

@mixin colorclasses($color_val, $color_hex) {
  @each $current_class in $classes {
    .#{$current_class}-#{$color_val} {
      #{$current_class}: #{$color_hex};
    }
  }
}

@each $key, $value in $colors {
  @include colorclasses($key, $value);
}