Scoped SCSS Variables

_color-schemes.scss

$color-schemes: (
      numba_one $brand-one, 
      numba_two $brand-two, 
      numba_three $brand-three,
);

@each $color-scheme in $color-schemes {
  body.#{nth($color-scheme, 1)} {
    $dark: darken(nth($color-scheme, 2), 20%);
    $med: nth($color-scheme, 2);
    $light: ligthen(nth($color-scheme, 2), 20%);
    .thingy {
      a {
        color: $med;
        
        &:active { color: $dark };
        
        &:hover { color: $light };
      }
    }
  }
}