Passing php var to jquery file

Passing php var to jquery file

I am using a color picker plugin which defaults to a specific color in an external js file:

    var selcolor = 'b0e0e6';
   
    $('#bcolor').crayonbox({
        colors: new Array('#ffffff', '#b0e0e6', '#cccccc', '#000000'),
        selected: '#'+selcolor
    });

In the php file I get the default color from a mysql database. My question is how can I pass this php var with the default color to the external jquery file so it can use that instead of 'b0e0e6'? Thanks.