diff --git a/dither-image.js b/dither-image.js
index 2e6444e..f311ffd 100644
--- a/dither-image.js
+++ b/dither-image.js
@@ -102,7 +102,7 @@ class RGB {
         let b = y - 1.107 * i + 1.704 * q;
         */
 
-        return new RGB(r, g, b).clamp().fromSRGB();
+        return new RGB(r, g, b).clamp().fromNTSC();
     }
 
     map(callback) {