sass color functions

$alarmRgb: 255, 213, 0;
$infoRgb: 25, 97, 166;
$warnRgb: 240, 111, 50;
$errorRgb: 228, 35, 38;
$successRgb: 0, 149, 52;

$pulseList:(
  alarm: $alarmRgb,
  info: $infoRgb,
  warn:  $warnRgb,
  error: $errorRgb,
  success: $successRgb
);

@each $key, $val in $pulseList {
  @keyframes pulse-#{$key}  {
    0% {
      box-shadow: 0 0 0 0 rgba(unquote(#{$val}), 0.7);
    }

    70% {
      box-shadow: 0 0 0 10px rgba(unquote(#{$val}), 0);
    }

    100% {
      box-shadow: 0 0 0 0 rgba(unquote(#{$val}), 0);
    }
  }
}

color.change($color,
  $red: null, $green: null, $blue: null,
  $hue: null, $saturation: null, $lightness: null,
  $whiteness: null, $blackness: null,
  $alpha: null)
change-color(...) //=> color

@debug color.adjust(#6b717f, $red: 15); // #7a717f
@debug color.adjust(#d2e1dd, $red: -10, $blue: 10); // #c8e1e7
@debug color.adjust(#998099, $lightness: -30%, $alpha: -0.4); // rgba(71, 57, 71, 0.6)

@mixin modifiers($map, $attribute, $prefix: '-', $separator: '-', $base: 'base') {
  @each $key, $value in $map {
    &#{if($key != $base, #{$prefix}#{$key}, '')} {
      @if type-of($value) == 'map' {
        @include modifiers($value, $attribute, $separator);
      }
      @else {
        #{$attribute}: $value;
      }
    }
  }
}