jquery - color variable in animation doesn't work -

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i don't see it. want change color of button animation. first click works second not. checked var c , gets rgb color correctly evidently don't give correctly animation.

  var grey2 = "#555";   $(".mainmenu .fa-search").click(function() {     var c = $( ).css("color");     if ( == 0) {       $(".mainmenu .searchform").slidedown();       $( ).animate({color: grey2});       = 1;     } else {       $(".mainmenu .searchform").slideup();       $( ).animate({color: c});       = 0     };

when second time click change color grey2(#555) var c has #555 both equal.
that's why second time not working
try code

var grey2 = "#555"; var c =  $(".mainmenu .fa-search").css("color"); $(".mainmenu .fa-search").click(function() {     if ( == 0) {         $(".mainmenu .searchform").slidedown();         $( ).animate({color: grey2});         = 1;     } else {         $(".mainmenu .searchform").slideup();         $( ).animate({color: c});         = 0     }; });

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