+++ /dev/null
-@charset "UTF-8";
-
-/// Programatically determines the lightness of a color.
-///
-/// @argument {color (hex)} $hex-color
-///
-/// @return {number (0-1)}
-///
-/// @example scss
-/// _lightness($color)
-///
-/// @access private
-
-@function _lightness($hex-color) {
- $-local-red-raw: red(rgba($hex-color, 1));
- $-local-green-raw: green(rgba($hex-color, 1));
- $-local-blue-raw: blue(rgba($hex-color, 1));
-
- $-local-red: _gamma($-local-red-raw / 255);
- $-local-green: _gamma($-local-green-raw / 255);
- $-local-blue: _gamma($-local-blue-raw / 255);
-
- @return $-local-red * 0.2126 + $-local-green * 0.7152 + $-local-blue * 0.0722;
-}