OskarWoof

/**
 * Function defining the difference between 2 colors
 *
 * @param {Color} $a - first color
 * @param {Color} $b - second color
 *
 * @return {Map}  The color operations to do in order to find $b from $a where keys are the color functions to apply and values are the values to pass to these functions
 */
@function color-diff($a, $b) {
  $sat: saturation($a) - saturation($b);