diff --git a/dither-image.js b/dither-image.js
index 17efe94..fb5130e 100644
--- a/dither-image.js
+++ b/dither-image.js
@@ -489,6 +489,8 @@ function decimate(input, palette, n, inputError) {
     let reserved = [0]; // black
     //let reserved = [0, 15]; // black, white
     //let reserved = [0, 5, 10, 15]; // grayscale
+    //let reserved = [0, 0x48, 0x78, 15]; // vaporwave
+    //let reserved = [0, 0x3c, 0x78, 15]; // red/blue/white
 
     let keepers = new Uint8Array(256);
     for (let i of reserved) {
@@ -508,18 +510,7 @@ function decimate(input, palette, n, inputError) {
             }
 
             //let coolFactor = popularity[i];
-
-            let coolFactor = 0;
-            if (popularity[i]) {
-                for (let x = 0; x < width; x++) {
-                    if (output[x] == i) {
-                        // Scale up the scoring for close matches to prioritize
-                        // color accuracy over raw linear usage.
-                        //coolFactor += (fitness[x] ** 2);
-                        coolFactor += (fitness[x] ** 4);
-                    }
-                }
-            }
+            let coolFactor = (fitness[i] ** 2) * popularity[i];
 
             if (coolFactor < least) {
                 pick = i;