@charset “UTF-8”;

/// Performs gamma correction on a single color channel. /// /// Note that the calculation is approximate if a `pow()` is not available. /// /// @argument {number (0-1)} $channel /// /// @return {number (0-1)} /// /// @access private

@function _gamma($channel) {

@if $channel < 0.03928 {
  @return $channel / 12.92;
} @else {
  $c: ($channel + 0.055) / 1.055;
  @if function-exists("pow") {
    @return pow($c, 2.4);
  } @else {
    @return 0.56 * $c * $c * $c + 0.44 * $c * $c;
  }
}

}