Custom Chart & Custom Chart Color In Oracle Apex

 From Chart Attribute In Advance Option

JavaScript Initialization Code Section add Following Code :
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function (options){

  function (options){

    options.dataFilter = function (data){

        data.series[0].color = "green";

        

        data.series[1].color = "red";

        data.series[2].color = "blue";

        data.series[3].color = "Yellow";

        data.series[3].color = "gray";

        return data;

    };

  // Add new 3D effect to existing chart style defaults   

     options.styleDefaults.threeDEffect = "on";

     return options;

    //options.styleDefaults = $.extend( options.styleDefaults, {threeDEffect: "on"});

   // return options;

}