/**
 * Sets text background color by inline styles
 */
(function(wysihtml5) {

  wysihtml5.commands.bgColorStyle = {
    exec: function(composer, command, color) {
      var colorVals  = wysihtml5.quirks.styleParser.parseColor("background-color:" + (color.color || color), "background-color"),
          colString;

      if (colorVals) {
        colString = (colorVals[3] === 1 ? "rgb(" + [colorVals[0], colorVals[1], colorVals[2]].join(', ') : "rgba(" + colorVals.join(', ')) + ')';
        wysihtml5.commands.formatInline.exec(composer, command, {styleProperty: 'backgroundColor', styleValue: colString, toggle: true});
      }
    },

    state: function(composer, command, color) {
      var colorVals  = color ? wysihtml5.quirks.styleParser.parseColor("background-color:" + (color.color || color), "background-color") : null,
          colString;


      if (colorVals) {
        colString = (colorVals[3] === 1 ? "rgb(" + [colorVals[0], colorVals[1], colorVals[2]].join(', ') : "rgba(" + colorVals.join(', ')) + ')';
      }

      return wysihtml5.commands.formatInline.state(composer, command, {styleProperty: 'backgroundColor', styleValue: colString});
    },

    remove: function(composer, command) {
      return wysihtml5.commands.formatInline.remove(composer, command, {styleProperty: 'backgroundColor'});
    },

    stateValue: function(composer, command, props) {
      var st = this.state(composer, command),
          colorStr,
          val = false;

      if (st && wysihtml5.lang.object(st).isArray()) {
        st = st[0];
      }

      if (st) {
        colorStr = st.getAttribute('style');
        if (colorStr) {
          val = wysihtml5.quirks.styleParser.parseColor(colorStr, "background-color");
          return wysihtml5.quirks.styleParser.unparseColor(val, props);
        }
      }
      return false;
    }

  };
})(wysihtml5);

/**
 * Sets text background color by inline styles
 */
(function(wysihtml5) {

  wysihtml5.commands.bgColorStyle = {
    exec: function(composer, command, color) {
      var colorVals  = wysihtml5.quirks.styleParser.parseColor("background-color:" + (color.color || color), "background-color"),
          colString;

      if (colorVals) {
        colString = (colorVals[3] === 1 ? "rgb(" + [colorVals[0], colorVals[1], colorVals[2]].join(', ') : "rgba(" + colorVals.join(', ')) + ')';
        wysihtml5.commands.formatInline.exec(composer, command, {styleProperty: 'backgroundColor', styleValue: colString});
      }
    },

    state: function(composer, command, color) {
      var colorVals  = color ? wysihtml5.quirks.styleParser.parseColor("background-color:" + (color.color || color), "background-color") : null,
          colString;


      if (colorVals) {
        colString = (colorVals[3] === 1 ? "rgb(" + [colorVals[0], colorVals[1], colorVals[2]].join(', ') : "rgba(" + colorVals.join(', ')) + ')';
      }

      return wysihtml5.commands.formatInline.state(composer, command, {styleProperty: 'backgroundColor', styleValue: colString});
    },

    remove: function(composer, command) {
      return wysihtml5.commands.formatInline.remove(composer, command, {styleProperty: 'backgroundColor'});
    },

    stateValue: function(composer, command, props) {
      var st = this.state(composer, command),
          colorStr,
          val = false;

      if (st && wysihtml5.lang.object(st).isArray()) {
        st = st[0];
      }

      if (st) {
        colorStr = st.getAttribute('style');
        if (colorStr) {
          val = wysihtml5.quirks.styleParser.parseColor(colorStr, "background-color");
          return wysihtml5.quirks.styleParser.unparseColor(val, props);
        }
      }
      return false;
    }

  };
})(wysihtml5);

Remove not needed parameter