diff --git a/dither-image.js b/dither-image.js
index 49d7ef4..c6f2348 100644
--- a/dither-image.js
+++ b/dither-image.js
@@ -131,6 +131,10 @@ class RGB {
             this.g * this.g +
             this.b * this.b;
     }
+
+    luma() {
+        return this.r * 0.299 + this.g * 0.587 + this.b * 0.114;
+    }
 }
 
 const maxDist = (new RGB(255, 255, 255)).magnitude();
@@ -576,12 +580,22 @@ function decimate(input, palette, n, inputError, y) {
         //    .reduce((acc, rgb) => acc.inc(rgb), new RGB(0, 0, 0))
         //    .divide(bucket.length);
 
-        // Take the brightest color in the bucket
+        // Take the channel-brightest color in the bucket
         //let rgb = bucket[bucket.length - 1];
 
+        // Take the luma-brightest color in the bucket
+        //let rgb = bucket.slice().sort((a, b) => b.luma() - a.luma())[bucket.length - 1];
+
         // Take the median color in the bucket
         let rgb = bucket[bucket.length >> 1];
 
+        // Take the luma-median color in the bucket
+        //let rgb = bucket.slice().sort((a, b) => b.luma() - a.luma())[bucket.length >> 1];
+
+        // Take the brightest-channel median
+        //let rgb = bucket.slice()
+        //    .sort((a, b) => Math.max(b.r, b.g, b.b) - Math.max(a.r, b.g, b.b))[bucket.length >> 1];
+
         // And map into the Atari palette
         let dists = palette.map((   i) => rgb.difference(atariRGB[i]).magnitude());
         let closest = Math.min(...dists);