gistfile1.txt

    
    // Created by Vivek Narang, 1/3/2018 4:33 AM EST
    // A JavaScript function that takes in two arguments (Hex color codes) and returns the average of those ...
    function avgColor(c1, c2) {

        // Extract the R/G/B parts from the first argument ...
        var c111 = parseInt(c1.substr(4, 2), 16);
        var c121 = parseInt(c1.substr(2, 2), 16);
        var c131 = parseInt(c1.substr(0, 2), 16);

        // Extract the R/G/B parts from the second argument ...
        var c211 = parseInt(c2.substr(4, 2), 16);
        var c221 = parseInt(c2.substr(2, 2), 16);
        var c231 = parseInt(c2.substr(0, 2), 16);

        // Returning the Hex string by combining the average values of the R/G/B components and converting them to HEX codes ...
        return (Math.round((c111 + c211)/2)).toString(16) + (Math.round((c121 + c221)/2)).toString(16) + (Math.round((c131 + c231)/2)).toString(16);
    }
   
   
// Test Run ...    
window.alert(avgColor("000000","FFFFFF"));