vasIvas

function RGB2HSV($rgb) {
        
        foreach ($rgb as $C=>$V) {
            $rgb[$C] = $V/255;
        }
        
        $MAX = max($rgb['R'], $rgb['G'], $rgb['B']);
        $MIN = min($rgb['R'], $rgb['G'], $rgb['B']);
        
        if ($MAX == $MIN) {
            $HSV['H'] = 0;
        } elseif ($MAX == $rgb['R']) {
            $HSV['H'] = 60*(($rgb['G'] - $rgb['B'])/($MAX - $MIN));
            if ($rgb['B'] > $rgb['G']) {
                $HSV['H'] = $HSV['H']+360;
            }
        } elseif ($MAX == $rgb['G']) {
            $HSV['H'] = 60*(($rgb['B'] - $rgb['R'])/($MAX - $MIN))+120;
        } else { // if ($MAX == $rgb['B'])
            $HSV['H'] = 60*(($rgb['R'] - $rgb['G'])/($MAX - $MIN))+240;
        }
        
        if ($MAX == 0) {
            $HSV['S'] = 0;
        } else {
            $HSV['S'] = 1-$MIN/$MAX;
        }
        
        $HSV['V'] = $MAX;
        
        return $HSV;
    }

gulp.task('postcss', function () {
  var processors = [
    colorShort,
    focus,
    precss,
    short,
    size,
    responsiveImages,
    clearFix,
    px2Rem,
    cssNext,
    cssMqpacker,
    byeBye,
    discardComments,
    cssNano
  ];
  return gulp.src('src/css/*.css')
    .pipe(postcss(processors))
    .pipe(gulp.dest('dist/css/'))
    .pipe(browserSync.stream());
});