diff --git a/index.html b/index.html
index c6ac0bf..bf59f2b 100644
--- a/index.html
+++ b/index.html
@@ -119,14 +119,14 @@
       function hashcode(s){
           return s.split("").reduce(
               function(acc,l){
-                  acc = acc + (l.charCodeAt(0) - 'A'.charCodeAt(0));
-                  return acc;
+                  acc = acc + 10 * (l.charCodeAt(0) - 'A'.charCodeAt(0));
+                  return (acc % 256);
               },
               0);
       }
 
       function genColor(devname) {
-          var h = 2.17*hashcode(devname) % 256;
+          var h = hashcode(devname);
           return "hsl(" + h + ",80%, 36%)";
       }