@charset “UTF-8”;

/// Programatically determines the contrast ratio between two colors. /// /// Note that the alpha channel is ignored. /// /// @link goo.gl/54htLV /// /// @argument {color (hex)} $color-1 /// /// @argument {color (hex)} $color-2 /// /// @return {number (1-21)} /// /// @example scss /// _contrast-ratio(black, white) /// /// @require {function} _lightness /// /// @access private

@function _contrast-ratio($color-1, $color-2) {

$-local-lightness-1: _lightness($color-1) + 0.05;
$-local-lightness-2: _lightness($color-2) + 0.05;

@if $-local-lightness-1 > $-local-lightness-2 {
  @return $-local-lightness-1 / $-local-lightness-2;
} @else {
  @return $-local-lightness-2 / $-local-lightness-1;
}

}